255634433 has 12 divisors (see below), whose sum is σ = 263401680. Its totient is φ = 248023776.

The previous prime is 255634429. The next prime is 255634447. The reversal of 255634433 is 334436552.

It is not a de Polignac number, because 255634433 - 2² = 255634429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255634393 and 255634402.

It is not an unprimeable number, because it can be changed into a prime (255634453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 467066 + ... + 467612.

It is an arithmetic number, because the mean of its divisors is an integer number (21950140).

Almost surely, 2^255634433 is an apocalyptic number.

It is an amenable number.

255634433 is a deficient number, since it is larger than the sum of its proper divisors (7767247).

255634433 is an frugal number, since it uses more digits than its factorization.

255634433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 695 counting only the distinct ones).

The product of its digits is 129600, while the sum is 35.

The square root of 255634433 is about 15988.5719499898. The cubic root of 255634433 is about 634.6580364735.

The spelling of 255634433 in words is "two hundred fifty-five million, six hundred thirty-four thousand, four hundred thirty-three".