65625524 has 12 divisors (see below), whose sum is σ = 115172484. Its totient is φ = 32719104.

The previous prime is 65625503. The next prime is 65625557. The reversal of 65625524 is 42552656.

It can be written as a sum of positive squares in 2 ways, for example, as 20976400 + 44649124 = 4580^2 + 6682^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21827 + ... + 24650.

It is an arithmetic number, because the mean of its divisors is an integer number (9597707).

Almost surely, 2^65625524 is an apocalyptic number.

It is an amenable number.

65625524 is a deficient number, since it is larger than the sum of its proper divisors (49546960).

65625524 is a wasteful number, since it uses less digits than its factorization.

65625524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46834 (or 46832 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 65625524 is about 8100.9582149274. The cubic root of 65625524 is about 403.3582350736.

The spelling of 65625524 in words is "sixty-five million, six hundred twenty-five thousand, five hundred twenty-four".