255751772 has 18 divisors (see below), whose sum is σ = 455049504. Its totient is φ = 125772240.

The previous prime is 255751759. The next prime is 255751813. The reversal of 255751772 is 277157552.

It is a super-2 number, since 2×255751772² = 130817937762279968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6293 + ... + 23475.

It is an arithmetic number, because the mean of its divisors is an integer number (25280528).

Almost surely, 2^255751772 is an apocalyptic number.

It is an amenable number.

255751772 is a deficient number, since it is larger than the sum of its proper divisors (199297732).

255751772 is a wasteful number, since it uses less digits than its factorization.

255751772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17309 (or 17246 counting only the distinct ones).

The product of its digits is 171500, while the sum is 41.

The square root of 255751772 is about 15992.2409936819. The cubic root of 255751772 is about 634.7551266127.

The spelling of 255751772 in words is "two hundred fifty-five million, seven hundred fifty-one thousand, seven hundred seventy-two".