10520564 has 12 divisors (see below), whose sum is σ = 18593988. Its totient is φ = 5208000.

The previous prime is 10520557. The next prime is 10520581. The reversal of 10520564 is 46502501.

It can be written as a sum of positive squares in 2 ways, for example, as 9972964 + 547600 = 3158^2 + 740^2 .

It is a super-2 number, since 2×10520564² = 221364533756192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12617 + ... + 13424.

It is an arithmetic number, because the mean of its divisors is an integer number (1549499).

Almost surely, 2^10520564 is an apocalyptic number.

It is an amenable number.

10520564 is a deficient number, since it is larger than the sum of its proper divisors (8073424).

10520564 is a wasteful number, since it uses less digits than its factorization.

10520564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26146 (or 26144 counting only the distinct ones).

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

The square root of 10520564 is about 3243.5418912047. The cubic root of 10520564 is about 219.1188168384.

The spelling of 10520564 in words is "ten million, five hundred twenty thousand, five hundred sixty-four".