254347439 has 2 divisors, whose sum is σ = 254347440. Its totient is φ = 254347438.

The previous prime is 254347427. The next prime is 254347447. The reversal of 254347439 is 934743452.

254347439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254347439 - 2²⁰ = 253298863 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 254347396 and 254347405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254347459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127173719 + 127173720.

It is an arithmetic number, because the mean of its divisors is an integer number (127173720).

Almost surely, 2^254347439 is an apocalyptic number.

254347439 is a deficient number, since it is larger than the sum of its proper divisors (1).

254347439 is an equidigital number, since it uses as much as digits as its factorization.

254347439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 41.

The square root of 254347439 is about 15948.2738564398. The cubic root of 254347439 is about 633.5911801126.

The spelling of 254347439 in words is "two hundred fifty-four million, three hundred forty-seven thousand, four hundred thirty-nine".