65390059 has 6 divisors (see below), whose sum is σ = 76066044. Its totient is φ = 56048580.

The previous prime is 65390047. The next prime is 65390069. The reversal of 65390059 is 95009356.

It is not a de Polignac number, because 65390059 - 2¹³ = 65381867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65390009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 667197 + ... + 667294.

It is an arithmetic number, because the mean of its divisors is an integer number (12677674).

Almost surely, 2^65390059 is an apocalyptic number.

65390059 is a deficient number, since it is larger than the sum of its proper divisors (10675985).

65390059 is a wasteful number, since it uses less digits than its factorization.

65390059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334505 (or 1334498 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 65390059 is about 8086.4119979135. The cubic root of 65390059 is about 402.8752392284.

The spelling of 65390059 in words is "sixty-five million, three hundred ninety thousand, fifty-nine".