2521186130 has 16 divisors (see below), whose sum is σ = 4538744280. Its totient is φ = 1008339072.

The previous prime is 2521186099. The next prime is 2521186201. The reversal of 2521186130 is 316811252.

2521186130 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 2007846481 + 513339649 = 44809^2 + 22657^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2521186093 and 2521186102.

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, 99302 + ... + 122078.

Almost surely, 2^2521186130 is an apocalyptic number.

2521186130 is a deficient number, since it is larger than the sum of its proper divisors (2017558150).

2521186130 is a wasteful number, since it uses less digits than its factorization.

2521186130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33853.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 2521186130 is about 50211.4143397694. The cubic root of 2521186130 is about 1361.0318959918.

Adding to 2521186130 its reverse (316811252), we get a palindrome (2837997382).

The spelling of 2521186130 in words is "two billion, five hundred twenty-one million, one hundred eighty-six thousand, one hundred thirty".