255874331 has 2 divisors, whose sum is σ = 255874332. Its totient is φ = 255874330.

The previous prime is 255874319. The next prime is 255874357. The reversal of 255874331 is 133478552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255874331 - 2²² = 251680027 is a prime.

It is a super-2 number, since 2×255874331² = 130943346529395122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (255874391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127937165 + 127937166.

It is an arithmetic number, because the mean of its divisors is an integer number (127937166).

Almost surely, 2^255874331 is an apocalyptic number.

255874331 is a deficient number, since it is larger than the sum of its proper divisors (1).

255874331 is an equidigital number, since it uses as much as digits as its factorization.

255874331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 38.

The square root of 255874331 is about 15996.0723616768. The cubic root of 255874331 is about 634.8565042487.

The spelling of 255874331 in words is "two hundred fifty-five million, eight hundred seventy-four thousand, three hundred thirty-one".