65795631 has 16 divisors (see below), whose sum is σ = 97511040. Its totient is φ = 39122720.

The previous prime is 65795621. The next prime is 65795641. The reversal of 65795631 is 13659756.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (65795621) and next prime (65795641).

It is a cyclic number.

It is not a de Polignac number, because 65795631 - 2⁷ = 65795503 is a prime.

It is a super-2 number, since 2×65795631² = 8658130117376322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65795621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17061 + ... + 20558.

It is an arithmetic number, because the mean of its divisors is an integer number (6094440).

Almost surely, 2^65795631 is an apocalyptic number.

65795631 is a deficient number, since it is larger than the sum of its proper divisors (31715409).

65795631 is a wasteful number, since it uses less digits than its factorization.

65795631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37686.

The product of its digits is 170100, while the sum is 42.

The square root of 65795631 is about 8111.4506100943. The cubic root of 65795631 is about 403.7064474551.

The spelling of 65795631 in words is "sixty-five million, seven hundred ninety-five thousand, six hundred thirty-one".