250955985 has 16 divisors (see below), whose sum is σ = 458891136. Its totient is φ = 114722688.

The previous prime is 250955977. The next prime is 250956019. The reversal of 250955985 is 589559052.

It is not a de Polignac number, because 250955985 - 2³ = 250955977 is a prime.

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, 1194924 + ... + 1195133.

It is an arithmetic number, because the mean of its divisors is an integer number (28680696).

Almost surely, 2^250955985 is an apocalyptic number.

It is an amenable number.

250955985 is a deficient number, since it is larger than the sum of its proper divisors (207935151).

250955985 is a wasteful number, since it uses less digits than its factorization.

250955985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390072.

The product of its (nonzero) digits is 810000, while the sum is 48.

The square root of 250955985 is about 15841.5903557692. The cubic root of 250955985 is about 630.7624806875.

The spelling of 250955985 in words is "two hundred fifty million, nine hundred fifty-five thousand, nine hundred eighty-five".