251375250275 has 6 divisors (see below), whose sum is σ = 311705310372. Its totient is φ = 201100200200.

The previous prime is 251375250257. The next prime is 251375250283. The reversal of 251375250275 is 572052573152.

It is a de Polignac number, because none of the positive numbers 2^k-251375250275 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5027504981 + ... + 5027505030.

It is an arithmetic number, because the mean of its divisors is an integer number (51950885062).

Almost surely, 2^251375250275 is an apocalyptic number.

251375250275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

251375250275 is a deficient number, since it is larger than the sum of its proper divisors (60330060097).

251375250275 is a wasteful number, since it uses less digits than its factorization.

251375250275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10055010021 (or 10055010016 counting only the distinct ones).

The product of its (nonzero) digits is 735000, while the sum is 44.

The spelling of 251375250275 in words is "two hundred fifty-one billion, three hundred seventy-five million, two hundred fifty thousand, two hundred seventy-five".