255365611 has 2 divisors, whose sum is σ = 255365612. Its totient is φ = 255365610.

The previous prime is 255365603. The next prime is 255365639. The reversal of 255365611 is 116563552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255365611 - 2³ = 255365603 is a prime.

It is equal to p_13956640 and since 255365611 and 13956640 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (255365641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127682805 + 127682806.

It is an arithmetic number, because the mean of its divisors is an integer number (127682806).

Almost surely, 2^255365611 is an apocalyptic number.

255365611 is a deficient number, since it is larger than the sum of its proper divisors (1).

255365611 is an equidigital number, since it uses as much as digits as its factorization.

255365611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27000, while the sum is 34.

The square root of 255365611 is about 15980.1630467277. The cubic root of 255365611 is about 634.4354922731.

The spelling of 255365611 in words is "two hundred fifty-five million, three hundred sixty-five thousand, six hundred eleven".