422513 has 8 divisors (see below), whose sum is σ = 520128. Its totient is φ = 334224.

The previous prime is 422479. The next prime is 422537. The reversal of 422513 is 315224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 422513 - 2¹⁶ = 356977 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 422491 and 422500.

It is not an unprimeable number, because it can be changed into a prime (422563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2231 + ... + 2412.

It is an arithmetic number, because the mean of its divisors is an integer number (65016).

2⁴²²⁵¹³ is an apocalyptic number.

It is an amenable number.

422513 is a deficient number, since it is larger than the sum of its proper divisors (97615).

422513 is a wasteful number, since it uses less digits than its factorization.

422513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4663.

The product of its digits is 240, while the sum is 17.

The square root of 422513 is about 650.0099999231. The cubic root of 422513 is about 75.0377883647.

Adding to 422513 its reverse (315224), we get a palindrome (737737).

The spelling of 422513 in words is "four hundred twenty-two thousand, five hundred thirteen".