255765433 has 8 divisors (see below), whose sum is σ = 318876480. Its totient is φ = 199297680.

The previous prime is 255765409. The next prime is 255765473. The reversal of 255765433 is 334567552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255765433 - 2⁵ = 255765401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255765473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1660738 + ... + 1660891.

It is an arithmetic number, because the mean of its divisors is an integer number (39859560).

Almost surely, 2^255765433 is an apocalyptic number.

It is an amenable number.

255765433 is a deficient number, since it is larger than the sum of its proper divisors (63111047).

255765433 is a wasteful number, since it uses less digits than its factorization.

255765433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321647.

The product of its digits is 378000, while the sum is 40.

The square root of 255765433 is about 15992.6681013519. The cubic root of 255765433 is about 634.7664282423.

The spelling of 255765433 in words is "two hundred fifty-five million, seven hundred sixty-five thousand, four hundred thirty-three".