255225500 has 24 divisors (see below), whose sum is σ = 557413584. Its totient is φ = 102090000.

The previous prime is 255225497. The next prime is 255225559. The reversal of 255225500 is 5522552.

It is a self number, because there is not a number n which added to its sum of digits gives 255225500.

It is a congruent number.

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, 254726 + ... + 255725.

It is an arithmetic number, because the mean of its divisors is an integer number (23225566).

Almost surely, 2^255225500 is an apocalyptic number.

255225500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255225500 is an abundant number, since it is smaller than the sum of its proper divisors (302188084).

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

255225500 is a wasteful number, since it uses less digits than its factorization.

255225500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510470 (or 510458 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 255225500 is about 15975.7785412793. The cubic root of 255225500 is about 634.3194395110.

The spelling of 255225500 in words is "two hundred fifty-five million, two hundred twenty-five thousand, five hundred".