255233433 has 24 divisors (see below), whose sum is σ = 421151808. Its totient is φ = 134626752.

The previous prime is 255233417. The next prime is 255233471. The reversal of 255233433 is 334332552.

It is not a de Polignac number, because 255233433 - 2⁴ = 255233417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255233433.

It is not an unprimeable number, because it can be changed into a prime (255233533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32410 + ... + 39507.

It is an arithmetic number, because the mean of its divisors is an integer number (17547992).

Almost surely, 2^255233433 is an apocalyptic number.

It is an amenable number.

255233433 is a deficient number, since it is larger than the sum of its proper divisors (165918375).

255233433 is a wasteful number, since it uses less digits than its factorization.

255233433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71953 (or 71940 counting only the distinct ones).

The product of its digits is 32400, while the sum is 30.

The square root of 255233433 is about 15976.0268214597. The cubic root of 255233433 is about 634.3260114823.

Adding to 255233433 its reverse (334332552), we get a palindrome (589565985).

The spelling of 255233433 in words is "two hundred fifty-five million, two hundred thirty-three thousand, four hundred thirty-three".