631082580 has 24 divisors (see below), whose sum is σ = 1767031392. Its totient is φ = 168288672.

The previous prime is 631082567. The next prime is 631082609. The reversal of 631082580 is 85280136.

It is a happy number.

631082580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5258962 + ... + 5259081.

It is an arithmetic number, because the mean of its divisors is an integer number (73626308).

Almost surely, 2^631082580 is an apocalyptic number.

631082580 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

631082580 is an abundant number, since it is smaller than the sum of its proper divisors (1135948812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631082580 is a wasteful number, since it uses less digits than its factorization.

631082580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10518055 (or 10518053 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 631082580 is about 25121.3570493316. The cubic root of 631082580 is about 857.7526414049.

The spelling of 631082580 in words is "six hundred thirty-one million, eighty-two thousand, five hundred eighty".