251364036 has 48 divisors (see below), whose sum is σ = 731243520. Its totient is φ = 65289120.

The previous prime is 251364019. The next prime is 251364041. The reversal of 251364036 is 630463152.

It is a junction number, because it is equal to n+sod(n) for n = 251363994 and 251364012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135096 + ... + 136943.

It is an arithmetic number, because the mean of its divisors is an integer number (15234240).

Almost surely, 2^251364036 is an apocalyptic number.

It is an amenable number.

251364036 is an abundant number, since it is smaller than the sum of its proper divisors (479879484).

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

251364036 is a wasteful number, since it uses less digits than its factorization.

251364036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272064 (or 272062 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 251364036 is about 15854.4642293582. The cubic root of 251364036 is about 631.1041659520.

The spelling of 251364036 in words is "two hundred fifty-one million, three hundred sixty-four thousand, thirty-six".