255808351 has 2 divisors, whose sum is σ = 255808352. Its totient is φ = 255808350.

The previous prime is 255808349. The next prime is 255808361. The reversal of 255808351 is 153808552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255808351 - 2¹ = 255808349 is a prime.

Together with 255808349, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 255808351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255808361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127904175 + 127904176.

It is an arithmetic number, because the mean of its divisors is an integer number (127904176).

Almost surely, 2^255808351 is an apocalyptic number.

255808351 is the 10116-th centered pentagonal number.

255808351 is a deficient number, since it is larger than the sum of its proper divisors (1).

255808351 is an equidigital number, since it uses as much as digits as its factorization.

255808351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48000, while the sum is 37.

The square root of 255808351 is about 15994.0098474398. The cubic root of 255808351 is about 634.8019313223.

The spelling of 255808351 in words is "two hundred fifty-five million, eight hundred eight thousand, three hundred fifty-one".