65915049 has 8 divisors (see below), whose sum is σ = 88174240. Its totient is φ = 43799616.

The previous prime is 65915039. The next prime is 65915053. The reversal of 65915049 is 94051956.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65915049 - 2²⁵ = 32360617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65914998 and 65915016.

It is not an unprimeable number, because it can be changed into a prime (65915029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34864 + ... + 36705.

It is an arithmetic number, because the mean of its divisors is an integer number (11021780).

Almost surely, 2^65915049 is an apocalyptic number.

It is an amenable number.

65915049 is a deficient number, since it is larger than the sum of its proper divisors (22259191).

65915049 is a wasteful number, since it uses less digits than its factorization.

65915049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71879.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 65915049 is about 8118.8083485201. The cubic root of 65915049 is about 403.9505400517.

The spelling of 65915049 in words is "sixty-five million, nine hundred fifteen thousand, forty-nine".