52660625 has 20 divisors (see below), whose sum is σ = 66494340. Its totient is φ = 41688000.

The previous prime is 52660603. The next prime is 52660637. The reversal of 52660625 is 52606625.

It can be written as a sum of positive squares in 10 ways, for example, as 46881409 + 5779216 = 6847^2 + 2404^2 .

It is not a de Polignac number, because 52660625 - 2⁶ = 52660561 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 52660591 and 52660600.

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 19 ways as a sum of consecutive naturals, for example, 67739 + ... + 68511.

It is an arithmetic number, because the mean of its divisors is an integer number (3324717).

Almost surely, 2^52660625 is an apocalyptic number.

It is an amenable number.

52660625 is a deficient number, since it is larger than the sum of its proper divisors (13833715).

52660625 is an equidigital number, since it uses as much as digits as its factorization.

52660625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902 (or 887 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 52660625 is about 7256.7640860097. The cubic root of 52660625 is about 374.8251036279.

The spelling of 52660625 in words is "fifty-two million, six hundred sixty thousand, six hundred twenty-five".