251033068 has 24 divisors (see below), whose sum is σ = 516111120. Its totient is φ = 105328320.

The previous prime is 251033059. The next prime is 251033087. The reversal of 251033068 is 860330152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218863 + ... + 220006.

It is an arithmetic number, because the mean of its divisors is an integer number (21504630).

Almost surely, 2^251033068 is an apocalyptic number.

It is an amenable number.

251033068 is an abundant number, since it is smaller than the sum of its proper divisors (265078052).

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

251033068 is a wasteful number, since it uses less digits than its factorization.

251033068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438897 (or 438895 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 251033068 is about 15844.0231002104. The cubic root of 251033068 is about 630.8270552078.

The spelling of 251033068 in words is "two hundred fifty-one million, thirty-three thousand, sixty-eight".