255325500 has 96 divisors (see below), whose sum is σ = 826163520. Its totient is φ = 68083200.

The previous prime is 255325481. The next prime is 255325501. The reversal of 255325500 is 5523552.

It is a super-2 number, since 2×255325500² = 130382221900500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255325501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4044 + ... + 22956.

It is an arithmetic number, because the mean of its divisors is an integer number (8605870).

Almost surely, 2^255325500 is an apocalyptic number.

255325500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255325500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413081760).

255325500 is an abundant number, since it is smaller than the sum of its proper divisors (570838020).

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

255325500 is a wasteful number, since it uses less digits than its factorization.

255325500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18941 (or 18923 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 255325500 is about 15978.9079726995. The cubic root of 255325500 is about 634.4022730071.

The spelling of 255325500 in words is "two hundred fifty-five million, three hundred twenty-five thousand, five hundred".