65013015 has 32 divisors (see below), whose sum is σ = 110794176. Its totient is φ = 32440320.

The previous prime is 65013001. The next prime is 65013017. The reversal of 65013015 is 51031056.

It is a happy number.

It is not a de Polignac number, because 65013015 - 2⁴ = 65012999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65012982 and 65013000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65013017) by changing a digit.

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, 48555 + ... + 49875.

It is an arithmetic number, because the mean of its divisors is an integer number (3462318).

Almost surely, 2^65013015 is an apocalyptic number.

65013015 is a deficient number, since it is larger than the sum of its proper divisors (45781161).

65013015 is a wasteful number, since it uses less digits than its factorization.

65013015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 65013015 is about 8063.0648639336. The cubic root of 65013015 is about 402.0994098350.

The spelling of 65013015 in words is "sixty-five million, thirteen thousand, fifteen".