65015875 has 16 divisors (see below), whose sum is σ = 81914976. Its totient is φ = 51516000.

The previous prime is 65015869. The next prime is 65015921. The reversal of 65015875 is 57851056.

It is a de Polignac number, because none of the positive numbers 2^k-65015875 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10945 + ... + 15805.

It is an arithmetic number, because the mean of its divisors is an integer number (5119686).

Almost surely, 2^65015875 is an apocalyptic number.

65015875 is a deficient number, since it is larger than the sum of its proper divisors (16899101).

65015875 is a wasteful number, since it uses less digits than its factorization.

65015875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4983 (or 4973 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 37.

The square root of 65015875 is about 8063.2422138988. The cubic root of 65015875 is about 402.1053060260.

The spelling of 65015875 in words is "sixty-five million, fifteen thousand, eight hundred seventy-five".