620365065 has 16 divisors (see below), whose sum is σ = 995020800. Its totient is φ = 330049152.

The previous prime is 620365049. The next prime is 620365069. The reversal of 620365065 is 560563026.

It is not a de Polignac number, because 620365065 - 2⁴ = 620365049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620365069) 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, 44425 + ... + 56694.

It is an arithmetic number, because the mean of its divisors is an integer number (62188800).

Almost surely, 2^620365065 is an apocalyptic number.

It is an amenable number.

620365065 is a deficient number, since it is larger than the sum of its proper divisors (374655735).

620365065 is a wasteful number, since it uses less digits than its factorization.

620365065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101536.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 620365065 is about 24907.1287987998. The cubic root of 620365065 is about 852.8692265759.

The spelling of 620365065 in words is "six hundred twenty million, three hundred sixty-five thousand, sixty-five".