252979 has 2 divisors, whose sum is σ = 252980. Its totient is φ = 252978.

The previous prime is 252971. The next prime is 252983. The reversal of 252979 is 979252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252979 - 2³ = 252971 is a prime.

It is not a weakly prime, because it can be changed into another prime (252971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126489 + 126490.

It is an arithmetic number, because the mean of its divisors is an integer number (126490).

2²⁵²⁹⁷⁹ is an apocalyptic number.

252979 is a deficient number, since it is larger than the sum of its proper divisors (1).

252979 is an equidigital number, since it uses as much as digits as its factorization.

252979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 34.

The square root of 252979 is about 502.9701780424. The cubic root of 252979 is about 63.2452854678.

The spelling of 252979 in words is "two hundred fifty-two thousand, nine hundred seventy-nine".