485005631 has 12 divisors (see below), whose sum is σ = 564466896. Its totient is φ = 414976320.

The previous prime is 485005627. The next prime is 485005639. The reversal of 485005631 is 136500584.

It is a happy number.

It is not a de Polignac number, because 485005631 - 2² = 485005627 is a prime.

It is a super-2 number, since 2×485005631² = 470460924203416322, 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 (485005639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115835 + ... + 119948.

It is an arithmetic number, because the mean of its divisors is an integer number (47038908).

Almost surely, 2^485005631 is an apocalyptic number.

485005631 is a deficient number, since it is larger than the sum of its proper divisors (79461265).

485005631 is a wasteful number, since it uses less digits than its factorization.

485005631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235822 (or 235811 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 485005631 is about 22022.8433904435. The cubic root of 485005631 is about 785.6858414465.

The spelling of 485005631 in words is "four hundred eighty-five million, five thousand, six hundred thirty-one".