255763433 has 2 divisors, whose sum is σ = 255763434. Its totient is φ = 255763432.

The previous prime is 255763429. The next prime is 255763451. The reversal of 255763433 is 334367552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238764304 + 16999129 = 15452^2 + 4123^2 .

It is a cyclic number.

It is not a de Polignac number, because 255763433 - 2² = 255763429 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (255763133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127881716 + 127881717.

It is an arithmetic number, because the mean of its divisors is an integer number (127881717).

Almost surely, 2^255763433 is an apocalyptic number.

It is an amenable number.

255763433 is a deficient number, since it is larger than the sum of its proper divisors (1).

255763433 is an equidigital number, since it uses as much as digits as its factorization.

255763433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 38.

The square root of 255763433 is about 15992.6055725763. The cubic root of 255763433 is about 634.7647736844.

The spelling of 255763433 in words is "two hundred fifty-five million, seven hundred sixty-three thousand, four hundred thirty-three".