255955913 has 2 divisors, whose sum is σ = 255955914. Its totient is φ = 255955912.

The previous prime is 255955883. The next prime is 255955949. The reversal of 255955913 is 319559552.

255955913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240963529 + 14992384 = 15523^2 + 3872^2 .

It is a cyclic number.

It is not a de Polignac number, because 255955913 - 2⁶ = 255955849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (255955963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127977956 + 127977957.

It is an arithmetic number, because the mean of its divisors is an integer number (127977957).

Almost surely, 2^255955913 is an apocalyptic number.

It is an amenable number.

255955913 is a deficient number, since it is larger than the sum of its proper divisors (1).

255955913 is an equidigital number, since it uses as much as digits as its factorization.

255955913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 303750, while the sum is 44.

The square root of 255955913 is about 15998.6222219290. The cubic root of 255955913 is about 634.9239688248.

The spelling of 255955913 in words is "two hundred fifty-five million, nine hundred fifty-five thousand, nine hundred thirteen".