255332251 has 2 divisors, whose sum is σ = 255332252. Its totient is φ = 255332250.

The previous prime is 255332249. The next prime is 255332303. The reversal of 255332251 is 152233552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255332251 - 2¹ = 255332249 is a prime.

Together with 255332249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (255332221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127666125 + 127666126.

It is an arithmetic number, because the mean of its divisors is an integer number (127666126).

Almost surely, 2^255332251 is an apocalyptic number.

255332251 is a deficient number, since it is larger than the sum of its proper divisors (1).

255332251 is an equidigital number, since it uses as much as digits as its factorization.

255332251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 28.

The square root of 255332251 is about 15979.1192185302. The cubic root of 255332251 is about 634.4078643170.

The spelling of 255332251 in words is "two hundred fifty-five million, three hundred thirty-two thousand, two hundred fifty-one".