254020979 has 2 divisors, whose sum is σ = 254020980. Its totient is φ = 254020978.

The previous prime is 254020973. The next prime is 254020999. The reversal of 254020979 is 979020452.

254020979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254020979 - 2²⁴ = 237243763 is a prime.

It is a Chen prime.

It is equal to p_13887173 and since 254020979 and 13887173 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (254020973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127010489 + 127010490.

It is an arithmetic number, because the mean of its divisors is an integer number (127010490).

Almost surely, 2^254020979 is an apocalyptic number.

254020979 is a deficient number, since it is larger than the sum of its proper divisors (1).

254020979 is an equidigital number, since it uses as much as digits as its factorization.

254020979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 254020979 is about 15938.0356066863. The cubic root of 254020979 is about 633.3199884230.

The spelling of 254020979 in words is "two hundred fifty-four million, twenty thousand, nine hundred seventy-nine".