259530828 has 12 divisors (see below), whose sum is σ = 605571960. Its totient is φ = 86510272.

The previous prime is 259530769. The next prime is 259530863. The reversal of 259530828 is 828035952.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 259530828.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10813773 + ... + 10813796.

It is an arithmetic number, because the mean of its divisors is an integer number (50464330).

Almost surely, 2^259530828 is an apocalyptic number.

It is an amenable number.

259530828 is an abundant number, since it is smaller than the sum of its proper divisors (346041132).

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

259530828 is a wasteful number, since it uses less digits than its factorization.

259530828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21627576 (or 21627574 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 259530828 is about 16109.9605213669. The cubic root of 259530828 is about 637.8662894617.

The spelling of 259530828 in words is "two hundred fifty-nine million, five hundred thirty thousand, eight hundred twenty-eight".