255102557 has 2 divisors, whose sum is σ = 255102558. Its totient is φ = 255102556.

The previous prime is 255102541. The next prime is 255102563. The reversal of 255102557 is 755201552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194714116 + 60388441 = 13954^2 + 7771^2 .

It is a cyclic number.

It is not a de Polignac number, because 255102557 - 2⁴ = 255102541 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255102517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127551278 + 127551279.

It is an arithmetic number, because the mean of its divisors is an integer number (127551279).

Almost surely, 2^255102557 is an apocalyptic number.

It is an amenable number.

255102557 is a deficient number, since it is larger than the sum of its proper divisors (1).

255102557 is an equidigital number, since it uses as much as digits as its factorization.

255102557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17500, while the sum is 32.

The square root of 255102557 is about 15971.9302840953. The cubic root of 255102557 is about 634.2175718683.

The spelling of 255102557 in words is "two hundred fifty-five million, one hundred two thousand, five hundred fifty-seven".