631825011 has 12 divisors (see below), whose sum is σ = 913832920. Its totient is φ = 420664320.

The previous prime is 631824989. The next prime is 631825021. The reversal of 631825011 is 110528136.

631825011 is a `hidden beast` number, since 631 + 8 + 25 + 0 + 1 + 1 = 666.

631825011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 631825011 - 2¹⁰ = 631823987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (631825021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38725 + ... + 52566.

Almost surely, 2^631825011 is an apocalyptic number.

631825011 is a deficient number, since it is larger than the sum of its proper divisors (282007909).

631825011 is a wasteful number, since it uses less digits than its factorization.

631825011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92066 (or 92063 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 631825011 is about 25136.1295946691. The cubic root of 631825011 is about 858.0888745208.

It can be divided in two parts, 6318 and 25011, that added together give a square (31329 = 177²).

The spelling of 631825011 in words is "six hundred thirty-one million, eight hundred twenty-five thousand, eleven".