10564520 has 16 divisors (see below), whose sum is σ = 23770260. Its totient is φ = 4225792.

The previous prime is 10564471. The next prime is 10564523. The reversal of 10564520 is 2546501.

It can be written as a sum of positive squares in 2 ways, for example, as 9012004 + 1552516 = 3002^2 + 1246^2 .

It is a super-2 number, since 2×10564520² = 223218165660800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10564523) 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, 132017 + ... + 132096.

Almost surely, 2^10564520 is an apocalyptic number.

10564520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10564520 is an abundant number, since it is smaller than the sum of its proper divisors (13205740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10564520 is a wasteful number, since it uses less digits than its factorization.

10564520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264124 (or 264120 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 10564520 is about 3250.3107543741. The cubic root of 10564520 is about 219.4235598111.

The spelling of 10564520 in words is "ten million, five hundred sixty-four thousand, five hundred twenty".