254279 has 2 divisors, whose sum is σ = 254280. Its totient is φ = 254278.

The previous prime is 254257. The next prime is 254281. The reversal of 254279 is 972452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254279 is a prime.

It is a Sophie Germain prime.

Together with 254281, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 254279.

It is not a weakly prime, because it can be changed into another prime (254209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127139 + 127140.

It is an arithmetic number, because the mean of its divisors is an integer number (127140).

2²⁵⁴²⁷⁹ is an apocalyptic number.

254279 is a deficient number, since it is larger than the sum of its proper divisors (1).

254279 is an equidigital number, since it uses as much as digits as its factorization.

254279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 29.

The square root of 254279 is about 504.2608451982. The cubic root of 254279 is about 63.3534346782.

The spelling of 254279 in words is "two hundred fifty-four thousand, two hundred seventy-nine".