52621125 has 32 divisors (see below), whose sum is σ = 91383552. Its totient is φ = 26840000.

The previous prime is 52621111. The next prime is 52621133. The reversal of 52621125 is 52112625.

It is a happy number.

It is not a de Polignac number, because 52621125 - 2⁶ = 52621061 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52621095 and 52621104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5575 + ... + 11675.

It is an arithmetic number, because the mean of its divisors is an integer number (2855736).

Almost surely, 2^52621125 is an apocalyptic number.

It is an amenable number.

52621125 is a deficient number, since it is larger than the sum of its proper divisors (38762427).

52621125 is a wasteful number, since it uses less digits than its factorization.

52621125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6142 (or 6132 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 52621125 is about 7254.0419767189. The cubic root of 52621125 is about 374.7313631595.

The spelling of 52621125 in words is "fifty-two million, six hundred twenty-one thousand, one hundred twenty-five".