2528130874 has 4 divisors (see below), whose sum is σ = 3792196314. Its totient is φ = 1264065436.

The previous prime is 2528130853. The next prime is 2528130901. The reversal of 2528130874 is 4780318252.

It is a happy number.

2528130874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2099930625 + 428200249 = 45825^2 + 20693^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632032717 + ... + 632032720.

Almost surely, 2^2528130874 is an apocalyptic number.

2528130874 is a deficient number, since it is larger than the sum of its proper divisors (1264065440).

2528130874 is a wasteful number, since it uses less digits than its factorization.

2528130874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264065439.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 2528130874 is about 50280.5218151125. The cubic root of 2528130874 is about 1362.2804290452.

The spelling of 2528130874 in words is "two billion, five hundred twenty-eight million, one hundred thirty thousand, eight hundred seventy-four".