10604521 has 4 divisors (see below), whose sum is σ = 10611072. Its totient is φ = 10597972.

The previous prime is 10604519. The next prime is 10604543. The reversal of 10604521 is 12540601.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10604521 - 2¹ = 10604519 is a prime.

It is a super-2 number, since 2×10604521² = 224911731278882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10604551) 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, 1116 + ... + 4738.

It is an arithmetic number, because the mean of its divisors is an integer number (2652768).

Almost surely, 2^10604521 is an apocalyptic number.

It is an amenable number.

10604521 is a deficient number, since it is larger than the sum of its proper divisors (6551).

10604521 is an equidigital number, since it uses as much as digits as its factorization.

10604521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6550.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 10604521 is about 3256.4583522594. The cubic root of 10604521 is about 219.7001493532.

The spelling of 10604521 in words is "ten million, six hundred four thousand, five hundred twenty-one".