631625001 has 8 divisors (see below), whose sum is σ = 962476224. Its totient is φ = 360928560.

The previous prime is 631624993. The next prime is 631625023. The reversal of 631625001 is 100526136.

631625001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 631625001 - 2³ = 631624993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (631625041) 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, 15038670 + ... + 15038711.

It is an arithmetic number, because the mean of its divisors is an integer number (120309528).

Almost surely, 2^631625001 is an apocalyptic number.

It is an amenable number.

631625001 is a deficient number, since it is larger than the sum of its proper divisors (330851223).

631625001 is a wasteful number, since it uses less digits than its factorization.

631625001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30077391.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 631625001 is about 25132.1507436192. The cubic root of 631625001 is about 857.9983196646.

The spelling of 631625001 in words is "six hundred thirty-one million, six hundred twenty-five thousand, one".