255305153 has 2 divisors, whose sum is σ = 255305154. Its totient is φ = 255305152.

The previous prime is 255305131. The next prime is 255305159. The reversal of 255305153 is 351503552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238918849 + 16386304 = 15457^2 + 4048^2 .

It is a cyclic number.

It is not a de Polignac number, because 255305153 - 2⁸ = 255304897 is a prime.

It is a super-2 number, since 2×255305153² = 130361442296706818, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (255305159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127652576 + 127652577.

It is an arithmetic number, because the mean of its divisors is an integer number (127652577).

Almost surely, 2^255305153 is an apocalyptic number.

It is an amenable number.

255305153 is a deficient number, since it is larger than the sum of its proper divisors (1).

255305153 is an equidigital number, since it uses as much as digits as its factorization.

255305153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 255305153 is about 15978.2712769561. The cubic root of 255305153 is about 634.3854206285.

The spelling of 255305153 in words is "two hundred fifty-five million, three hundred five thousand, one hundred fifty-three".