255005250 has 32 divisors (see below), whose sum is σ = 636494976. Its totient is φ = 68001200.

The previous prime is 255005249. The next prime is 255005263. The reversal of 255005250 is 52500552.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 255005250.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169254 + ... + 170753.

It is an arithmetic number, because the mean of its divisors is an integer number (19890468).

Almost surely, 2^255005250 is an apocalyptic number.

255005250 is an abundant number, since it is smaller than the sum of its proper divisors (381489726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255005250 is a wasteful number, since it uses less digits than its factorization.

255005250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340027 (or 340017 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 255005250 is about 15968.8838057016. The cubic root of 255005250 is about 634.1369223988.

It can be divided in two parts, 255005 and 250, that added together give a triangular number (255255 = T₇₁₄).

The spelling of 255005250 in words is "two hundred fifty-five million, five thousand, two hundred fifty".