64018625 has 16 divisors (see below), whose sum is σ = 87160320. Its totient is φ = 46558000.

The previous prime is 64018607. The next prime is 64018639. The reversal of 64018625 is 52681046.

It is not a de Polignac number, because 64018625 - 2¹⁰ = 64017601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64018591 and 64018600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21905 + ... + 24654.

It is an arithmetic number, because the mean of its divisors is an integer number (5447520).

Almost surely, 2^64018625 is an apocalyptic number.

It is an amenable number.

64018625 is a deficient number, since it is larger than the sum of its proper divisors (23141695).

64018625 is a wasteful number, since it uses less digits than its factorization.

64018625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46585 (or 46575 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 64018625 is about 8001.1639778222. The cubic root of 64018625 is about 400.0387983199.

The spelling of 64018625 in words is "sixty-four million, eighteen thousand, six hundred twenty-five".