255607511 has 2 divisors, whose sum is σ = 255607512. Its totient is φ = 255607510.

The previous prime is 255607483. The next prime is 255607519. The reversal of 255607511 is 115706552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255607511 - 2¹⁸ = 255345367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255607519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127803755 + 127803756.

It is an arithmetic number, because the mean of its divisors is an integer number (127803756).

Almost surely, 2^255607511 is an apocalyptic number.

255607511 is a deficient number, since it is larger than the sum of its proper divisors (1).

255607511 is an equidigital number, since it uses as much as digits as its factorization.

255607511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10500, while the sum is 32.

The square root of 255607511 is about 15987.7300139826. The cubic root of 255607511 is about 634.6357561371.

The spelling of 255607511 in words is "two hundred fifty-five million, six hundred seven thousand, five hundred eleven".