21041301 has 8 divisors (see below), whose sum is σ = 28439680. Its totient is φ = 13835232.

The previous prime is 21041299. The next prime is 21041309. The reversal of 21041301 is 10314012.

It is a happy number.

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

It is not a de Polignac number, because 21041301 - 2¹ = 21041299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21041309) 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, 47821 + ... + 48258.

It is an arithmetic number, because the mean of its divisors is an integer number (3554960).

Almost surely, 2^21041301 is an apocalyptic number.

It is an amenable number.

21041301 is a deficient number, since it is larger than the sum of its proper divisors (7398379).

21041301 is an equidigital number, since it uses as much as digits as its factorization.

21041301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96155.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 21041301 is about 4587.0797900189. The cubic root of 21041301 is about 276.0731663825.

Adding to 21041301 its reverse (10314012), we get a palindrome (31355313).

The spelling of 21041301 in words is "twenty-one million, forty-one thousand, three hundred one".