65368531 has 8 divisors (see below), whose sum is σ = 68883200. Its totient is φ = 61861320.

The previous prime is 65368487. The next prime is 65368543. The reversal of 65368531 is 13586356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65368531 - 2⁷ = 65368403 is a prime.

It is a super-2 number, since 2×65368531² = 8546089690195922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65368571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33850 + ... + 35728.

It is an arithmetic number, because the mean of its divisors is an integer number (8610400).

Almost surely, 2^65368531 is an apocalyptic number.

65368531 is a deficient number, since it is larger than the sum of its proper divisors (3514669).

65368531 is a wasteful number, since it uses less digits than its factorization.

65368531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3729.

The product of its digits is 64800, while the sum is 37.

The square root of 65368531 is about 8085.0807664488. The cubic root of 65368531 is about 402.8310222621.

The spelling of 65368531 in words is "sixty-five million, three hundred sixty-eight thousand, five hundred thirty-one".