255025530 has 64 divisors (see below), whose sum is σ = 702028800. Its totient is φ = 65810880.

The previous prime is 255025523. The next prime is 255025531. The reversal of 255025530 is 35520552.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 255025494 and 255025503.

It is not an unprimeable number, because it can be changed into a prime (255025531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6865 + ... + 23604.

It is an arithmetic number, because the mean of its divisors is an integer number (10969200).

Almost surely, 2^255025530 is an apocalyptic number.

255025530 is an abundant number, since it is smaller than the sum of its proper divisors (447003270).

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

255025530 is a wasteful number, since it uses less digits than its factorization.

255025530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30516 (or 30510 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 255025530 is about 15969.5187779720. The cubic root of 255025530 is about 634.1537324526.

The spelling of 255025530 in words is "two hundred fifty-five million, twenty-five thousand, five hundred thirty".