485631 has 6 divisors (see below), whose sum is σ = 701480. Its totient is φ = 323748.

The previous prime is 485609. The next prime is 485647. The reversal of 485631 is 136584.

It is not a de Polignac number, because 485631 - 2⁶ = 485567 is a prime.

It is a super-2 number, since 2×485631² = 471674936322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 485595 and 485604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485671) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26971 + ... + 26988.

2⁴⁸⁵⁶³¹ is an apocalyptic number.

485631 is a deficient number, since it is larger than the sum of its proper divisors (215849).

485631 is a wasteful number, since it uses less digits than its factorization.

485631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53965 (or 53962 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 485631 is about 696.8722982010. The cubic root of 485631 is about 78.6023385665.

The spelling of 485631 in words is "four hundred eighty-five thousand, six hundred thirty-one".