64110625 has 20 divisors (see below), whose sum is σ = 81361456. Its totient is φ = 50490000.

The previous prime is 64110623. The next prime is 64110647. The reversal of 64110625 is 52601146.

It is not a de Polignac number, because 64110625 - 2¹ = 64110623 is a prime.

It is a super-2 number, since 2×64110625² = 8220344475781250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64110625.

It is not an unprimeable number, because it can be changed into a prime (64110623) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 41110 + ... + 42640.

Almost surely, 2^64110625 is an apocalyptic number.

It is an amenable number.

64110625 is a deficient number, since it is larger than the sum of its proper divisors (17250831).

64110625 is an equidigital number, since it uses as much as digits as its factorization.

64110625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618 (or 1603 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 64110625 is about 8006.9110773131. The cubic root of 64110625 is about 400.2303360878.

The spelling of 64110625 in words is "sixty-four million, one hundred ten thousand, six hundred twenty-five".