65032815 has 16 divisors (see below), whose sum is σ = 104414688. Its totient is φ = 34563456.

The previous prime is 65032733. The next prime is 65032841. The reversal of 65032815 is 51823056.

It is not a de Polignac number, because 65032815 - 2⁸ = 65032559 is a prime.

It is a congruent 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, 3004 + ... + 11793.

It is an arithmetic number, because the mean of its divisors is an integer number (6525918).

Almost surely, 2^65032815 is an apocalyptic number.

65032815 is a deficient number, since it is larger than the sum of its proper divisors (39381873).

65032815 is a wasteful number, since it uses less digits than its factorization.

65032815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15098.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 65032815 is about 8064.2925914180. The cubic root of 65032815 is about 402.1402260737.

The spelling of 65032815 in words is "sixty-five million, thirty-two thousand, eight hundred fifteen".