65912385 has 64 divisors (see below), whose sum is σ = 132710400. Its totient is φ = 27137280.

The previous prime is 65912359. The next prime is 65912453. The reversal of 65912385 is 58321956.

65912385 = T₃₈₂ + T₃₈₃ + ... + T₇₆₆.

It is not a de Polignac number, because 65912385 - 2⁸ = 65912129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 171904 + ... + 172286.

It is an arithmetic number, because the mean of its divisors is an integer number (2073600).

Almost surely, 2^65912385 is an apocalyptic number.

It is an amenable number.

65912385 is an abundant number, since it is smaller than the sum of its proper divisors (66798015).

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

65912385 is a wasteful number, since it uses less digits than its factorization.

65912385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558.

The product of its digits is 64800, while the sum is 39.

The square root of 65912385 is about 8118.6442833764. The cubic root of 65912385 is about 403.9450980029.

The spelling of 65912385 in words is "sixty-five million, nine hundred twelve thousand, three hundred eighty-five".