255274969 has 2 divisors, whose sum is σ = 255274970. Its totient is φ = 255274968.

The previous prime is 255274963. The next prime is 255275017. The reversal of 255274969 is 969472552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168039369 + 87235600 = 12963^2 + 9340^2 .

It is a cyclic number.

It is not a de Polignac number, because 255274969 - 2⁷ = 255274841 is a prime.

It is a super-2 number, since 2×255274969² = 130330619595901922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (255274963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127637484 + 127637485.

It is an arithmetic number, because the mean of its divisors is an integer number (127637485).

Almost surely, 2^255274969 is an apocalyptic number.

It is an amenable number.

255274969 is a deficient number, since it is larger than the sum of its proper divisors (1).

255274969 is an equidigital number, since it uses as much as digits as its factorization.

255274969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 49.

The square root of 255274969 is about 15977.3267163190. The cubic root of 255274969 is about 634.3604191169.

The spelling of 255274969 in words is "two hundred fifty-five million, two hundred seventy-four thousand, nine hundred sixty-nine".