255075025 has 6 divisors (see below), whose sum is σ = 316293062. Its totient is φ = 204060000.

The previous prime is 255075017. The next prime is 255075031. The reversal of 255075025 is 520570552.

It can be written as a sum of positive squares in 3 ways, for example, as 69488896 + 185586129 = 8336^2 + 13623^2 .

It is not a de Polignac number, because 255075025 - 2³ = 255075017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5101476 + ... + 5101525.

Almost surely, 2^255075025 is an apocalyptic number.

255075025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255075025 is a deficient number, since it is larger than the sum of its proper divisors (61218037).

255075025 is a wasteful number, since it uses less digits than its factorization.

255075025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10203011 (or 10203006 counting only the distinct ones).

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 255075025 is about 15971.0683737814. The cubic root of 255075025 is about 634.1947550235.

The spelling of 255075025 in words is "two hundred fifty-five million, seventy-five thousand, twenty-five".