254402339 has 2 divisors, whose sum is σ = 254402340. Its totient is φ = 254402338.

The previous prime is 254402273. The next prime is 254402359. The reversal of 254402339 is 933204452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254402339 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (254402359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127201169 + 127201170.

It is an arithmetic number, because the mean of its divisors is an integer number (127201170).

Almost surely, 2^254402339 is an apocalyptic number.

254402339 is a deficient number, since it is larger than the sum of its proper divisors (1).

254402339 is an equidigital number, since it uses as much as digits as its factorization.

254402339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 254402339 is about 15949.9949529773. The cubic root of 254402339 is about 633.6367629756.

The spelling of 254402339 in words is "two hundred fifty-four million, four hundred two thousand, three hundred thirty-nine".