64045625 has 20 divisors (see below), whose sum is σ = 91470720. Its totient is φ = 43914000.

The previous prime is 64045609. The next prime is 64045651. The reversal of 64045625 is 52654046.

It is not a de Polignac number, because 64045625 - 2⁴ = 64045609 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64045591 and 64045600.

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, 2945 + ... + 11694.

It is an arithmetic number, because the mean of its divisors is an integer number (4573536).

Almost surely, 2^64045625 is an apocalyptic number.

It is an amenable number.

64045625 is a deficient number, since it is larger than the sum of its proper divisors (27425095).

64045625 is an equidigital number, since it uses as much as digits as its factorization.

64045625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14666 (or 14651 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 64045625 is about 8002.8510544680. The cubic root of 64045625 is about 400.0950295050.

The spelling of 64045625 in words is "sixty-four million, forty-five thousand, six hundred twenty-five".