632161251 has 12 divisors (see below), whose sum is σ = 914554680. Its totient is φ = 420779520.

The previous prime is 632161241. The next prime is 632161259. The reversal of 632161251 is 152161236.

632161251 is a `hidden beast` number, since 632 + 1 + 6 + 1 + 25 + 1 = 666.

632161251 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 632161251 - 2⁵ = 632161219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (632161259) 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, 49021 + ... + 60558.

It is an arithmetic number, because the mean of its divisors is an integer number (76212890).

Almost surely, 2^632161251 is an apocalyptic number.

632161251 is a deficient number, since it is larger than the sum of its proper divisors (282393429).

632161251 is a wasteful number, since it uses less digits than its factorization.

632161251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110226 (or 110223 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 632161251 is about 25142.8170856012. The cubic root of 632161251 is about 858.2410646746.

The spelling of 632161251 in words is "six hundred thirty-two million, one hundred sixty-one thousand, two hundred fifty-one".