255290973 has 32 divisors (see below), whose sum is σ = 423628800. Its totient is φ = 133430976.

The previous prime is 255290963. The next prime is 255291013. The reversal of 255290973 is 379092552.

It is not a de Polignac number, because 255290973 - 2⁵ = 255290941 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255290923) 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 31 ways as a sum of consecutive naturals, for example, 540 + ... + 22602.

It is an arithmetic number, because the mean of its divisors is an integer number (13238400).

Almost surely, 2^255290973 is an apocalyptic number.

It is an amenable number.

255290973 is a deficient number, since it is larger than the sum of its proper divisors (168337827).

255290973 is a wasteful number, since it uses less digits than its factorization.

255290973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22121.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 255290973 is about 15977.8275431925. The cubic root of 255290973 is about 634.3736755309.

The spelling of 255290973 in words is "two hundred fifty-five million, two hundred ninety thousand, nine hundred seventy-three".