255305860 has 12 divisors (see below), whose sum is σ = 536142348. Its totient is φ = 102122336.

The previous prime is 255305857. The next prime is 255305861. The reversal of 255305860 is 68503552.

It is a happy number.

255305860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 70291456 + 185014404 = 8384^2 + 13602^2 .

It is a super-3 number, since 3×255305860³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (255305861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6382627 + ... + 6382666.

It is an arithmetic number, because the mean of its divisors is an integer number (44678529).

Almost surely, 2^255305860 is an apocalyptic number.

255305860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255305860 is an abundant number, since it is smaller than the sum of its proper divisors (280836488).

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

255305860 is a wasteful number, since it uses less digits than its factorization.

255305860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12765302 (or 12765300 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 255305860 is about 15978.2934007359. The cubic root of 255305860 is about 634.3860062154.

The spelling of 255305860 in words is "two hundred fifty-five million, three hundred five thousand, eight hundred sixty".