250137868 has 6 divisors (see below), whose sum is σ = 437741276. Its totient is φ = 125068932.

The previous prime is 250137863. The next prime is 250137889. The reversal of 250137868 is 868731052.

250137868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 250137868.

It is not an unprimeable number, because it can be changed into a prime (250137863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31267230 + ... + 31267237.

Almost surely, 2^250137868 is an apocalyptic number.

It is an amenable number.

250137868 is a deficient number, since it is larger than the sum of its proper divisors (187603408).

250137868 is a wasteful number, since it uses less digits than its factorization.

250137868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62534471 (or 62534469 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 250137868 is about 15815.7474688995. The cubic root of 250137868 is about 630.0763055303.

The spelling of 250137868 in words is "two hundred fifty million, one hundred thirty-seven thousand, eight hundred sixty-eight".