255745250 has 16 divisors (see below), whose sum is σ = 478755576. Its totient is φ = 102298000.

The previous prime is 255745247. The next prime is 255745261. The reversal of 255745250 is 52547552.

It can be written as a sum of positive squares in 4 ways, for example, as 155925169 + 99820081 = 12487^2 + 9991^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 255745250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511241 + ... + 511740.

Almost surely, 2^255745250 is an apocalyptic number.

255745250 is a deficient number, since it is larger than the sum of its proper divisors (223010326).

255745250 is a wasteful number, since it uses less digits than its factorization.

255745250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022998 (or 1022988 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 35.

The square root of 255745250 is about 15992.0370809975. The cubic root of 255745250 is about 634.7497308754.

The spelling of 255745250 in words is "two hundred fifty-five million, seven hundred forty-five thousand, two hundred fifty".