255290507 has 2 divisors, whose sum is σ = 255290508. Its totient is φ = 255290506.

The previous prime is 255290473. The next prime is 255290531. The reversal of 255290507 is 705092552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255290507 - 2⁶ = 255290443 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (255290807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127645253 + 127645254.

It is an arithmetic number, because the mean of its divisors is an integer number (127645254).

Almost surely, 2^255290507 is an apocalyptic number.

255290507 is a deficient number, since it is larger than the sum of its proper divisors (1).

255290507 is an equidigital number, since it uses as much as digits as its factorization.

255290507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 255290507 is about 15977.8129604774. The cubic root of 255290507 is about 634.3732895422.

The spelling of 255290507 in words is "two hundred fifty-five million, two hundred ninety thousand, five hundred seven".