255022631 has 2 divisors, whose sum is σ = 255022632. Its totient is φ = 255022630.

The previous prime is 255022619. The next prime is 255022681. The reversal of 255022631 is 136220552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255022631 - 2⁶ = 255022567 is a prime.

It is a super-2 number, since 2×255022631² = 130073084644324322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255022631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255022681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127511315 + 127511316.

It is an arithmetic number, because the mean of its divisors is an integer number (127511316).

Almost surely, 2^255022631 is an apocalyptic number.

255022631 is a deficient number, since it is larger than the sum of its proper divisors (1).

255022631 is an equidigital number, since it uses as much as digits as its factorization.

255022631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 255022631 is about 15969.4280110466. The cubic root of 255022631 is about 634.1513295315.

The spelling of 255022631 in words is "two hundred fifty-five million, twenty-two thousand, six hundred thirty-one".