631625003500 has 24 divisors (see below), whose sum is σ = 1379469008736. Its totient is φ = 252650001200.

The previous prime is 631625003437. The next prime is 631625003533. The reversal of 631625003500 is 5300526136.

631625003500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 631624504 + ... + 631625503.

It is an arithmetic number, because the mean of its divisors is an integer number (57477875364).

Almost surely, 2^631625003500 is an apocalyptic number.

It is an amenable number.

631625003500 is an abundant number, since it is smaller than the sum of its proper divisors (747844005236).

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

631625003500 is a wasteful number, since it uses less digits than its factorization.

631625003500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263250026 (or 1263250014 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 631625003500 its reverse (5300526136), we get a palindrome (636925529636).

The spelling of 631625003500 in words is "six hundred thirty-one billion, six hundred twenty-five million, three thousand, five hundred".