65625132 has 12 divisors (see below), whose sum is σ = 153125336. Its totient is φ = 21875040.

The previous prime is 65625127. The next prime is 65625137. The reversal of 65625132 is 23152656.

It is an interprime number because it is at equal distance from previous prime (65625127) and next prime (65625137).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 65625132.

It is not an unprimeable number, because it can be changed into a prime (65625137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2734369 + ... + 2734392.

Almost surely, 2^65625132 is an apocalyptic number.

It is an amenable number.

65625132 is an abundant number, since it is smaller than the sum of its proper divisors (87500204).

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

65625132 is a wasteful number, since it uses less digits than its factorization.

65625132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5468768 (or 5468766 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 65625132 is about 8100.9340202226. The cubic root of 65625132 is about 403.3574319473.

Adding to 65625132 its reverse (23152656), we get a palindrome (88777788).

The spelling of 65625132 in words is "sixty-five million, six hundred twenty-five thousand, one hundred thirty-two".