255156983 has 2 divisors, whose sum is σ = 255156984. Its totient is φ = 255156982.

The previous prime is 255156919. The next prime is 255156989. The reversal of 255156983 is 389651552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255156983 - 2⁶ = 255156919 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255156989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127578491 + 127578492.

It is an arithmetic number, because the mean of its divisors is an integer number (127578492).

Almost surely, 2^255156983 is an apocalyptic number.

255156983 is a deficient number, since it is larger than the sum of its proper divisors (1).

255156983 is an equidigital number, since it uses as much as digits as its factorization.

255156983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324000, while the sum is 44.

The square root of 255156983 is about 15973.6339948053. The cubic root of 255156983 is about 634.2626719926.

The spelling of 255156983 in words is "two hundred fifty-five million, one hundred fifty-six thousand, nine hundred eighty-three".