255528025 has 12 divisors (see below), whose sum is σ = 317693952. Its totient is φ = 203881040.

The previous prime is 255528011. The next prime is 255528029. The reversal of 255528025 is 520825552.

It is a happy number.

It is not a de Polignac number, because 255528025 - 2¹³ = 255519833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255528029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3769 + ... + 22918.

It is an arithmetic number, because the mean of its divisors is an integer number (26474496).

Almost surely, 2^255528025 is an apocalyptic number.

255528025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255528025 is a deficient number, since it is larger than the sum of its proper divisors (62165927).

255528025 is a wasteful number, since it uses less digits than its factorization.

255528025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27080 (or 27075 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

The square root of 255528025 is about 15985.2439768682. The cubic root of 255528025 is about 634.5699653115.

The spelling of 255528025 in words is "two hundred fifty-five million, five hundred twenty-eight thousand, twenty-five".