250979 has 2 divisors, whose sum is σ = 250980. Its totient is φ = 250978.

The previous prime is 250969. The next prime is 250993. The reversal of 250979 is 979052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 250979 - 2⁴ = 250963 is a prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 250979.

It is not a weakly prime, because it can be changed into another prime (250919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125489 + 125490.

It is an arithmetic number, because the mean of its divisors is an integer number (125490).

2²⁵⁰⁹⁷⁹ is an apocalyptic number.

250979 is a deficient number, since it is larger than the sum of its proper divisors (1).

250979 is an equidigital number, since it uses as much as digits as its factorization.

250979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 250979 is about 500.9780434310. The cubic root of 250979 is about 63.0781762362.

The spelling of 250979 in words is "two hundred fifty thousand, nine hundred seventy-nine".