65474631 has 12 divisors (see below), whose sum is σ = 94983408. Its totient is φ = 43461024.

The previous prime is 65474593. The next prime is 65474641. The reversal of 65474631 is 13647456.

It is a happy number.

65474631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65474631 - 2¹⁴ = 65458247 is a prime.

It is a super-2 number, since 2×65474631² = 8573854609172322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65474641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13515 + ... + 17708.

It is an arithmetic number, because the mean of its divisors is an integer number (7915284).

Almost surely, 2^65474631 is an apocalyptic number.

65474631 is a deficient number, since it is larger than the sum of its proper divisors (29508777).

65474631 is a wasteful number, since it uses less digits than its factorization.

65474631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31462 (or 31459 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 65474631 is about 8091.6395742766. The cubic root of 65474631 is about 403.0488501557.

The spelling of 65474631 in words is "sixty-five million, four hundred seventy-four thousand, six hundred thirty-one".