255793133 has 2 divisors, whose sum is σ = 255793134. Its totient is φ = 255793132.

The previous prime is 255793123. The next prime is 255793151. The reversal of 255793133 is 331397552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250493929 + 5299204 = 15827^2 + 2302^2 .

It is a cyclic number.

It is not a de Polignac number, because 255793133 - 2⁴ = 255793117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255793123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127896566 + 127896567.

It is an arithmetic number, because the mean of its divisors is an integer number (127896567).

Almost surely, 2^255793133 is an apocalyptic number.

It is an amenable number.

255793133 is a deficient number, since it is larger than the sum of its proper divisors (1).

255793133 is an equidigital number, since it uses as much as digits as its factorization.

255793133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85050, while the sum is 38.

The square root of 255793133 is about 15993.5340997542. The cubic root of 255793133 is about 634.7893429825.

The spelling of 255793133 in words is "two hundred fifty-five million, seven hundred ninety-three thousand, one hundred thirty-three".