52685625 has 20 divisors (see below), whose sum is σ = 87784400. Its totient is φ = 28098000.

The previous prime is 52685609. The next prime is 52685627. The reversal of 52685625 is 52658625.

It is a happy number.

It is not a de Polignac number, because 52685625 - 2⁴ = 52685609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52685627) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12175 + ... + 15924.

It is an arithmetic number, because the mean of its divisors is an integer number (4389220).

Almost surely, 2^52685625 is an apocalyptic number.

It is an amenable number.

52685625 is a deficient number, since it is larger than the sum of its proper divisors (35098775).

52685625 is an equidigital number, since it uses as much as digits as its factorization.

52685625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28122 (or 28107 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

The square root of 52685625 is about 7258.4864124692. The cubic root of 52685625 is about 374.8844088179.

Subtracting from 52685625 its reverse (52658625), we obtain a cube (27000 = 30³).

The spelling of 52685625 in words is "fifty-two million, six hundred eighty-five thousand, six hundred twenty-five".