65013205 has 16 divisors (see below), whose sum is σ = 80492544. Its totient is φ = 50379840.

The previous prime is 65013149. The next prime is 65013211. The reversal of 65013205 is 50231056.

It is a happy number.

It is not a de Polignac number, because 65013205 - 2⁷ = 65013077 is a prime.

It is a Duffinian number.

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, 26115 + ... + 28495.

It is an arithmetic number, because the mean of its divisors is an integer number (5030784).

Almost surely, 2^65013205 is an apocalyptic number.

It is an amenable number.

65013205 is a deficient number, since it is larger than the sum of its proper divisors (15479339).

65013205 is a wasteful number, since it uses less digits than its factorization.

65013205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 65013205 is about 8063.0766460452. The cubic root of 65013205 is about 402.0998015454.

The spelling of 65013205 in words is "sixty-five million, thirteen thousand, two hundred five".