255541530 has 16 divisors (see below), whose sum is σ = 613299744. Its totient is φ = 68144400.

The previous prime is 255541529. The next prime is 255541541. The reversal of 255541530 is 35145552.

It is a happy number.

255541530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 8518051 = 255541530 / (2 + 5 + 5 + 5 + 4 + 1 + 5 + 3 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4258996 + ... + 4259055.

It is an arithmetic number, because the mean of its divisors is an integer number (38331234).

Almost surely, 2^255541530 is an apocalyptic number.

255541530 is an abundant number, since it is smaller than the sum of its proper divisors (357758214).

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

255541530 is a wasteful number, since it uses less digits than its factorization.

255541530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8518061.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 255541530 is about 15985.6663921152. Note that the first 3 decimals coincide. The cubic root of 255541530 is about 634.5811444068.

The spelling of 255541530 in words is "two hundred fifty-five million, five hundred forty-one thousand, five hundred thirty".