255763069 has 2 divisors, whose sum is σ = 255763070. Its totient is φ = 255763068.

The previous prime is 255763037. The next prime is 255763091. The reversal of 255763069 is 960367552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250050969 + 5712100 = 15813^2 + 2390^2 .

It is a cyclic number.

It is not a de Polignac number, because 255763069 - 2⁵ = 255763037 is a prime.

It is a super-2 number, since 2×255763069² = 130829494928597522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255763099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127881534 + 127881535.

It is an arithmetic number, because the mean of its divisors is an integer number (127881535).

Almost surely, 2^255763069 is an apocalyptic number.

It is an amenable number.

255763069 is a deficient number, since it is larger than the sum of its proper divisors (1).

255763069 is an equidigital number, since it uses as much as digits as its factorization.

255763069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 43.

The square root of 255763069 is about 15992.5941923129. The cubic root of 255763069 is about 634.7644725539.

The spelling of 255763069 in words is "two hundred fifty-five million, seven hundred sixty-three thousand, sixty-nine".