255290333 has 2 divisors, whose sum is σ = 255290334. Its totient is φ = 255290332.

The previous prime is 255290303. The next prime is 255290381. The reversal of 255290333 is 333092552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252269689 + 3020644 = 15883^2 + 1738^2 .

It is a cyclic number.

It is not a de Polignac number, because 255290333 - 2²⁴ = 238513117 is a prime.

It is equal to p_13952750 and since 255290333 and 13952750 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255290333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255290303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127645166 + 127645167.

It is an arithmetic number, because the mean of its divisors is an integer number (127645167).

Almost surely, 2^255290333 is an apocalyptic number.

It is an amenable number.

255290333 is a deficient number, since it is larger than the sum of its proper divisors (1).

255290333 is an equidigital number, since it uses as much as digits as its factorization.

255290333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 32.

The square root of 255290333 is about 15977.8075154259. The cubic root of 255290333 is about 634.3731454175.

The spelling of 255290333 in words is "two hundred fifty-five million, two hundred ninety thousand, three hundred thirty-three".