255357539 has 2 divisors, whose sum is σ = 255357540. Its totient is φ = 255357538.

The previous prime is 255357491. The next prime is 255357601. The reversal of 255357539 is 935753552.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255357539 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255357539.

It is not a weakly prime, because it can be changed into another prime (255359539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127678769 + 127678770.

It is an arithmetic number, because the mean of its divisors is an integer number (127678770).

Almost surely, 2^255357539 is an apocalyptic number.

255357539 is a deficient number, since it is larger than the sum of its proper divisors (1).

255357539 is an equidigital number, since it uses as much as digits as its factorization.

255357539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 708750, while the sum is 44.

The square root of 255357539 is about 15979.9104816016. The cubic root of 255357539 is about 634.4288074560.

The spelling of 255357539 in words is "two hundred fifty-five million, three hundred fifty-seven thousand, five hundred thirty-nine".