65625800 has 24 divisors (see below), whose sum is σ = 152580450. Its totient is φ = 26250240.

The previous prime is 65625799. The next prime is 65625803. The reversal of 65625800 is 852656.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 32194276 + 33431524 = 5674^2 + 5782^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (65625803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163865 + ... + 164264.

Almost surely, 2^65625800 is an apocalyptic number.

It is an amenable number.

65625800 is an abundant number, since it is smaller than the sum of its proper divisors (86954650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65625800 is a wasteful number, since it uses less digits than its factorization.

65625800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328145 (or 328136 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 65625800 is about 8100.9752499313. The cubic root of 65625800 is about 403.3588005381.

The spelling of 65625800 in words is "sixty-five million, six hundred twenty-five thousand, eight hundred".