64237525 has 12 divisors (see below), whose sum is σ = 86896224. Its totient is φ = 46718000.

The previous prime is 64237493. The next prime is 64237531. The reversal of 64237525 is 52573246.

It is not a de Polignac number, because 64237525 - 2⁵ = 64237493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116521 + ... + 117070.

It is an arithmetic number, because the mean of its divisors is an integer number (7241352).

Almost surely, 2^64237525 is an apocalyptic number.

It is an amenable number.

64237525 is a deficient number, since it is larger than the sum of its proper divisors (22658699).

64237525 is a wasteful number, since it uses less digits than its factorization.

64237525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233612 (or 233607 counting only the distinct ones).

The product of its digits is 50400, while the sum is 34.

The square root of 64237525 is about 8014.8315640443. The cubic root of 64237525 is about 400.4942328333.

The spelling of 64237525 in words is "sixty-four million, two hundred thirty-seven thousand, five hundred twenty-five".