255874441 has 2 divisors, whose sum is σ = 255874442. Its totient is φ = 255874440.

The previous prime is 255874391. The next prime is 255874447. The reversal of 255874441 is 144478552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141705216 + 114169225 = 11904^2 + 10685^2 .

It is a cyclic number.

It is not a de Polignac number, because 255874441 - 2⁷ = 255874313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255874394 and 255874403.

It is not a weakly prime, because it can be changed into another prime (255874447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127937220 + 127937221.

It is an arithmetic number, because the mean of its divisors is an integer number (127937221).

Almost surely, 2^255874441 is an apocalyptic number.

It is an amenable number.

255874441 is a deficient number, since it is larger than the sum of its proper divisors (1).

255874441 is an equidigital number, since it uses as much as digits as its factorization.

255874441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 179200, while the sum is 40.

The square root of 255874441 is about 15996.0758000205. The cubic root of 255874441 is about 634.8565952233.

The spelling of 255874441 in words is "two hundred fifty-five million, eight hundred seventy-four thousand, four hundred forty-one".