255279751 has 2 divisors, whose sum is σ = 255279752. Its totient is φ = 255279750.

The previous prime is 255279709. The next prime is 255279757. The reversal of 255279751 is 157972552.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255279751 - 2⁷ = 255279623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255279698 and 255279707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255279757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127639875 + 127639876.

It is an arithmetic number, because the mean of its divisors is an integer number (127639876).

Almost surely, 2^255279751 is an apocalyptic number.

255279751 is a deficient number, since it is larger than the sum of its proper divisors (1).

255279751 is an equidigital number, since it uses as much as digits as its factorization.

255279751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 220500, while the sum is 43.

The square root of 255279751 is about 15977.4763651836. The cubic root of 255279751 is about 634.3643801954.

The spelling of 255279751 in words is "two hundred fifty-five million, two hundred seventy-nine thousand, seven hundred fifty-one".