255525000 has 96 divisors (see below), whose sum is σ = 798698880. Its totient is φ = 68120000.

The previous prime is 255524999. The next prime is 255525019. The reversal of 255525000 is 525552.

255525000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73297 + ... + 76703.

It is an arithmetic number, because the mean of its divisors is an integer number (8319780).

Almost surely, 2^255525000 is an apocalyptic number.

255525000 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 255525000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399349440).

255525000 is an abundant number, since it is smaller than the sum of its proper divisors (543173880).

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

255525000 is an equidigital number, since it uses as much as digits as its factorization.

255525000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3441 (or 3417 counting only the distinct ones).

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

The square root of 255525000 is about 15985.1493580761. The cubic root of 255525000 is about 634.5674612395.

The spelling of 255525000 in words is "two hundred fifty-five million, five hundred twenty-five thousand".