255441239 has 2 divisors, whose sum is σ = 255441240. Its totient is φ = 255441238.

The previous prime is 255441211. The next prime is 255441253. The reversal of 255441239 is 932144552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255441239 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 255441199 and 255441208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255441259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127720619 + 127720620.

It is an arithmetic number, because the mean of its divisors is an integer number (127720620).

Almost surely, 2^255441239 is an apocalyptic number.

255441239 is a deficient number, since it is larger than the sum of its proper divisors (1).

255441239 is an equidigital number, since it uses as much as digits as its factorization.

255441239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 35.

The square root of 255441239 is about 15982.5291803269. The cubic root of 255441239 is about 634.4981166693.

The spelling of 255441239 in words is "two hundred fifty-five million, four hundred forty-one thousand, two hundred thirty-nine".