130516525 has 6 divisors (see below), whose sum is σ = 161840522. Its totient is φ = 104413200.

The previous prime is 130516523. The next prime is 130516579. The reversal of 130516525 is 525615031.

It can be written as a sum of positive squares in 3 ways, for example, as 77284 + 130439241 = 278^2 + 11421^2 .

It is not a de Polignac number, because 130516525 - 2¹ = 130516523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130516493 and 130516502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130516523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2610306 + ... + 2610355.

Almost surely, 2^130516525 is an apocalyptic number.

It is an amenable number.

130516525 is a deficient number, since it is larger than the sum of its proper divisors (31323997).

130516525 is an equidigital number, since it uses as much as digits as its factorization.

130516525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5220671 (or 5220666 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 130516525 is about 11424.3829155014. The cubic root of 130516525 is about 507.2497411242.

It can be divided in two parts, 13051 and 6525, that multiplied together give a triangular number (85157775 = T₁₃₀₅₀).

The spelling of 130516525 in words is "one hundred thirty million, five hundred sixteen thousand, five hundred twenty-five".