255432269 has 2 divisors, whose sum is σ = 255432270. Its totient is φ = 255432268.

The previous prime is 255432223. The next prime is 255432271. The reversal of 255432269 is 962234552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217916644 + 37515625 = 14762^2 + 6125^2 .

It is a cyclic number.

It is not a de Polignac number, because 255432269 - 2⁸ = 255432013 is a prime.

It is a super-2 number, since 2×255432269² = 130491288092976722, which contains 22 as substring.

Together with 255432271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255432869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127716134 + 127716135.

It is an arithmetic number, because the mean of its divisors is an integer number (127716135).

Almost surely, 2^255432269 is an apocalyptic number.

It is an amenable number.

255432269 is a deficient number, since it is larger than the sum of its proper divisors (1).

255432269 is an equidigital number, since it uses as much as digits as its factorization.

255432269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 38.

The square root of 255432269 is about 15982.2485589481. The cubic root of 255432269 is about 634.4906896321.

The spelling of 255432269 in words is "two hundred fifty-five million, four hundred thirty-two thousand, two hundred sixty-nine".