65056539 has 4 divisors (see below), whose sum is σ = 86742056. Its totient is φ = 43371024.

The previous prime is 65056499. The next prime is 65056543. The reversal of 65056539 is 93565056.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 65056539 - 2⁸ = 65056283 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65056497 and 65056506.

It is not an unprimeable number, because it can be changed into a prime (65056559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10842754 + ... + 10842759.

It is an arithmetic number, because the mean of its divisors is an integer number (21685514).

Almost surely, 2^65056539 is an apocalyptic number.

65056539 is a deficient number, since it is larger than the sum of its proper divisors (21685517).

65056539 is a wasteful number, since it uses less digits than its factorization.

65056539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21685516.

The product of its (nonzero) digits is 121500, while the sum is 39.

The square root of 65056539 is about 8065.7633860658. The cubic root of 65056539 is about 402.1891204401.

The spelling of 65056539 in words is "sixty-five million, fifty-six thousand, five hundred thirty-nine".