254262839 has 2 divisors, whose sum is σ = 254262840. Its totient is φ = 254262838.

The previous prime is 254262817. The next prime is 254262859. The reversal of 254262839 is 938262452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254262839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254262796 and 254262805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254262859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127131419 + 127131420.

It is an arithmetic number, because the mean of its divisors is an integer number (127131420).

Almost surely, 2^254262839 is an apocalyptic number.

254262839 is a deficient number, since it is larger than the sum of its proper divisors (1).

254262839 is an equidigital number, since it uses as much as digits as its factorization.

254262839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 41.

The square root of 254262839 is about 15945.6213111939. The cubic root of 254262839 is about 633.5209248244.

The spelling of 254262839 in words is "two hundred fifty-four million, two hundred sixty-two thousand, eight hundred thirty-nine".