255280525 has 6 divisors (see below), whose sum is σ = 316547882. Its totient is φ = 204224400.

The previous prime is 255280469. The next prime is 255280549. The reversal of 255280525 is 525082552.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 41126569 + 214153956 = 6413^2 + 14634^2 .

It is not a de Polignac number, because 255280525 - 2⁷ = 255280397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5105586 + ... + 5105635.

Almost surely, 2^255280525 is an apocalyptic number.

255280525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255280525 is a deficient number, since it is larger than the sum of its proper divisors (61267357).

255280525 is a wasteful number, since it uses less digits than its factorization.

255280525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10211231 (or 10211226 counting only the distinct ones).

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

The square root of 255280525 is about 15977.5005867626. The cubic root of 255280525 is about 634.3650213189.

The spelling of 255280525 in words is "two hundred fifty-five million, two hundred eighty thousand, five hundred twenty-five".