255800530 has 32 divisors (see below), whose sum is σ = 503262720. Its totient is φ = 93192960.

The previous prime is 255800527. The next prime is 255800537. The reversal of 255800530 is 35008552.

It is a super-2 number, since 2×255800530² = 130867822296561800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255800537) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19000 + ... + 29539.

It is an arithmetic number, because the mean of its divisors is an integer number (15726960).

Almost surely, 2^255800530 is an apocalyptic number.

255800530 is a deficient number, since it is larger than the sum of its proper divisors (247462190).

255800530 is a wasteful number, since it uses less digits than its factorization.

255800530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48594.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 255800530 is about 15993.7653477847. The cubic root of 255800530 is about 634.7954618482.

The spelling of 255800530 in words is "two hundred fifty-five million, eight hundred thousand, five hundred thirty".