2528291530 has 16 divisors (see below), whose sum is σ = 4602060360. Its totient is φ = 999953152.

The previous prime is 2528291509. The next prime is 2528291569. The reversal of 2528291530 is 351928252.

2528291530 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 4 ways, for example, as 1930635721 + 597655809 = 43939^2 + 24447^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2528291530.

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, 1419499 + ... + 1421278.

Almost surely, 2^2528291530 is an apocalyptic number.

2528291530 is a deficient number, since it is larger than the sum of its proper divisors (2073768830).

2528291530 is a wasteful number, since it uses less digits than its factorization.

2528291530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840873.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 2528291530 is about 50282.1193865175. The cubic root of 2528291530 is about 1362.3092848679.

The spelling of 2528291530 in words is "two billion, five hundred twenty-eight million, two hundred ninety-one thousand, five hundred thirty".