64895625 has 60 divisors (see below), whose sum is σ = 119399280. Its totient is φ = 33948000.

The previous prime is 64895599. The next prime is 64895629. The reversal of 64895625 is 52659846.

64895625 is a `hidden beast` number, since 6 + 4 + 89 + 562 + 5 = 666.

It is not a de Polignac number, because 64895625 - 2⁹ = 64895113 is a prime.

It is a super-2 number, since 2×64895625² = 8422884288281250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64895629) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 466806 + ... + 466944.

It is an arithmetic number, because the mean of its divisors is an integer number (1989988).

Almost surely, 2^64895625 is an apocalyptic number.

It is an amenable number.

64895625 is a deficient number, since it is larger than the sum of its proper divisors (54503655).

64895625 is a wasteful number, since it uses less digits than its factorization.

64895625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 230 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 64895625 is about 8055.7820849375. The cubic root of 64895625 is about 401.8572486389.

The spelling of 64895625 in words is "sixty-four million, eight hundred ninety-five thousand, six hundred twenty-five".