52400625 has 20 divisors (see below), whose sum is σ = 87309552. Its totient is φ = 27946000.

The previous prime is 52400611. The next prime is 52400683. The reversal of 52400625 is 52600425.

It is not a de Polignac number, because 52400625 - 2⁴ = 52400609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52400595 and 52400604.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12099 + ... + 15848.

Almost surely, 2^52400625 is an apocalyptic number.

It is an amenable number.

52400625 is a deficient number, since it is larger than the sum of its proper divisors (34908927).

52400625 is an equidigital number, since it uses as much as digits as its factorization.

52400625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27970 (or 27955 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 52400625 is about 7238.8275984444. The cubic root of 52400625 is about 374.2072140445.

The spelling of 52400625 in words is "fifty-two million, four hundred thousand, six hundred twenty-five".