255464569 has 2 divisors, whose sum is σ = 255464570. Its totient is φ = 255464568.

The previous prime is 255464551. The next prime is 255464597. The reversal of 255464569 is 965464552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228372544 + 27092025 = 15112^2 + 5205^2 .

It is a cyclic number.

It is not a de Polignac number, because 255464569 - 2¹⁹ = 254940281 is a prime.

It is a super-2 number, since 2×255464569² = 130524292028711522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (255464549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127732284 + 127732285.

It is an arithmetic number, because the mean of its divisors is an integer number (127732285).

Almost surely, 2^255464569 is an apocalyptic number.

It is an amenable number.

255464569 is a deficient number, since it is larger than the sum of its proper divisors (1).

255464569 is an equidigital number, since it uses as much as digits as its factorization.

255464569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296000, while the sum is 46.

The square root of 255464569 is about 15983.2590231154. The cubic root of 255464569 is about 634.5174327756.

The spelling of 255464569 in words is "two hundred fifty-five million, four hundred sixty-four thousand, five hundred sixty-nine".