35421 has 4 divisors (see below), whose sum is σ = 47232. Its totient is φ = 23612.

The previous prime is 35419. The next prime is 35423. The reversal of 35421 is 12453.

35421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (35419) and next prime (35423).

It is a cyclic number.

It is not a de Polignac number, because 35421 - 2¹ = 35419 is a prime.

It is a super-3 number, since 3×35421³ = 133322579770383, which contains 333 as substring.

It is a D-number.

It is a Curzon number.

35421 is a lucky number.

It is a nialpdrome in base 14 and base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 35421.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 35421.

It is not an unprimeable number, because it can be changed into a prime (35423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5901 + ... + 5906.

It is an arithmetic number, because the mean of its divisors is an integer number (11808).

2³⁵⁴²¹ is an apocalyptic number.

It is an amenable number.

35421 is a deficient number, since it is larger than the sum of its proper divisors (11811).

35421 is a wasteful number, since it uses less digits than its factorization.

35421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11810.

The product of its digits is 120, while the sum is 15.

The square root of 35421 is about 188.2046758186. The cubic root of 35421 is about 32.8412949048.

Adding to 35421 its reverse (12453), we get a palindrome (47874).

The spelling of 35421 in words is "thirty-five thousand, four hundred twenty-one".