485715631 has 8 divisors (see below), whose sum is σ = 493395840. Its totient is φ = 478084992.

The previous prime is 485715583. The next prime is 485715649. The reversal of 485715631 is 136517584.

It is a happy number.

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 485715631 - 2¹¹ = 485713583 is a prime.

It is a super-2 number, since 2×485715631² = 471839348395456322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485715431) 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, 7611 + ... + 32083.

It is an arithmetic number, because the mean of its divisors is an integer number (61674480).

Almost surely, 2^485715631 is an apocalyptic number.

485715631 is a deficient number, since it is larger than the sum of its proper divisors (7680209).

485715631 is a wasteful number, since it uses less digits than its factorization.

485715631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24785.

The product of its digits is 100800, while the sum is 40.

The square root of 485715631 is about 22038.9571214248. The cubic root of 485715631 is about 786.0690431573.

The spelling of 485715631 in words is "four hundred eighty-five million, seven hundred fifteen thousand, six hundred thirty-one".