255142291 has 2 divisors, whose sum is σ = 255142292. Its totient is φ = 255142290.

The previous prime is 255142229. The next prime is 255142297. The reversal of 255142291 is 192241552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255142291 - 2⁹ = 255141779 is a prime.

It is not a weakly prime, because it can be changed into another prime (255142297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127571145 + 127571146.

It is an arithmetic number, because the mean of its divisors is an integer number (127571146).

Almost surely, 2^255142291 is an apocalyptic number.

255142291 is a deficient number, since it is larger than the sum of its proper divisors (1).

255142291 is an equidigital number, since it uses as much as digits as its factorization.

255142291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 31.

The square root of 255142291 is about 15973.1741053555. The cubic root of 255142291 is about 634.2504980936.

The spelling of 255142291 in words is "two hundred fifty-five million, one hundred forty-two thousand, two hundred ninety-one".