65013065 has 16 divisors (see below), whose sum is σ = 87671808. Its totient is φ = 45921216.

The previous prime is 65013061. The next prime is 65013077. The reversal of 65013065 is 56031056.

It is a cyclic number.

It is not a de Polignac number, because 65013065 - 2² = 65013061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65013061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20249 + ... + 23238.

It is an arithmetic number, because the mean of its divisors is an integer number (5479488).

Almost surely, 2^65013065 is an apocalyptic number.

65013065 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

65013065 is a deficient number, since it is larger than the sum of its proper divisors (22658743).

65013065 is a wasteful number, since it uses less digits than its factorization.

65013065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43528.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 65013065 is about 8063.0679644909. The cubic root of 65013065 is about 402.0995129168.

Subtracting from 65013065 its reverse (56031056), we obtain a square (8982009 = 2997²).

The spelling of 65013065 in words is "sixty-five million, thirteen thousand, sixty-five".