250972997 has 12 divisors (see below), whose sum is σ = 281738688. Its totient is φ = 223297800.

The previous prime is 250972991. The next prime is 250973011. The reversal of 250972997 is 799279052.

It is not a de Polignac number, because 250972997 - 2⁶ = 250972933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250972991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16379 + ... + 27752.

It is an arithmetic number, because the mean of its divisors is an integer number (23478224).

Almost surely, 2^250972997 is an apocalyptic number.

It is an amenable number.

250972997 is a deficient number, since it is larger than the sum of its proper divisors (30765691).

250972997 is a wasteful number, since it uses less digits than its factorization.

250972997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44200 (or 44189 counting only the distinct ones).

The product of its (nonzero) digits is 714420, while the sum is 50.

The square root of 250972997 is about 15842.1272877098. The cubic root of 250972997 is about 630.7767332384.

The spelling of 250972997 in words is "two hundred fifty million, nine hundred seventy-two thousand, nine hundred ninety-seven".