65012570 has 64 divisors (see below), whose sum is σ = 138018816. Its totient is φ = 21591360.

The previous prime is 65012567. The next prime is 65012587. The reversal of 65012570 is 7521056.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 511847 + ... + 511973.

It is an arithmetic number, because the mean of its divisors is an integer number (2156544).

Almost surely, 2^65012570 is an apocalyptic number.

65012570 is an abundant number, since it is smaller than the sum of its proper divisors (73006246).

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

65012570 is a wasteful number, since it uses less digits than its factorization.

65012570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 65012570 is about 8063.0372689204. The cubic root of 65012570 is about 402.0984924052.

The spelling of 65012570 in words is "sixty-five million, twelve thousand, five hundred seventy".