255360913 has 2 divisors, whose sum is σ = 255360914. Its totient is φ = 255360912.

The previous prime is 255360901. The next prime is 255360947. The reversal of 255360913 is 319063552.

It is a happy number.

It is an a-pointer prime, because the next prime (255360947) can be obtained adding 255360913 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219276864 + 36084049 = 14808^2 + 6007^2 .

It is a cyclic number.

It is not a de Polignac number, because 255360913 - 2⁹ = 255360401 is a prime.

It is not a weakly prime, because it can be changed into another prime (255360713) 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, 127680456 + 127680457.

It is an arithmetic number, because the mean of its divisors is an integer number (127680457).

Almost surely, 2^255360913 is an apocalyptic number.

It is an amenable number.

255360913 is a deficient number, since it is larger than the sum of its proper divisors (1).

255360913 is an equidigital number, since it uses as much as digits as its factorization.

255360913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 255360913 is about 15980.0160513061. The cubic root of 255360913 is about 634.4316016472.

The spelling of 255360913 in words is "two hundred fifty-five million, three hundred sixty thousand, nine hundred thirteen".