255523057 has 2 divisors, whose sum is σ = 255523058. Its totient is φ = 255523056.

The previous prime is 255523019. The next prime is 255523069. The reversal of 255523057 is 750325552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228493456 + 27029601 = 15116^2 + 5199^2 .

It is a cyclic number.

It is not a de Polignac number, because 255523057 - 2¹⁵ = 255490289 is a prime.

It is not a weakly prime, because it can be changed into another prime (255523007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127761528 + 127761529.

It is an arithmetic number, because the mean of its divisors is an integer number (127761529).

Almost surely, 2^255523057 is an apocalyptic number.

It is an amenable number.

255523057 is a deficient number, since it is larger than the sum of its proper divisors (1).

255523057 is an equidigital number, since it uses as much as digits as its factorization.

255523057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52500, while the sum is 34.

The square root of 255523057 is about 15985.0885828012. The cubic root of 255523057 is about 634.5658528284.

The spelling of 255523057 in words is "two hundred fifty-five million, five hundred twenty-three thousand, fifty-seven".