255325523591 has 2 divisors, whose sum is σ = 255325523592. Its totient is φ = 255325523590.

The previous prime is 255325523549. The next prime is 255325523611. The reversal of 255325523591 is 195325523552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255325523591 - 2⁶ = 255325523527 is a prime.

It is a super-2 number, since 2×255325523591² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255325520591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127662761795 + 127662761796.

It is an arithmetic number, because the mean of its divisors is an integer number (127662761796).

Almost surely, 2^255325523591 is an apocalyptic number.

255325523591 is a deficient number, since it is larger than the sum of its proper divisors (1).

255325523591 is an equidigital number, since it uses as much as digits as its factorization.

255325523591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2025000, while the sum is 47.

The spelling of 255325523591 in words is "two hundred fifty-five billion, three hundred twenty-five million, five hundred twenty-three thousand, five hundred ninety-one".