130765825 has 6 divisors (see below), whose sum is σ = 162149654. Its totient is φ = 104612640.

The previous prime is 130765823. The next prime is 130765837. The reversal of 130765825 is 528567031.

It can be written as a sum of positive squares in 3 ways, for example, as 4068289 + 126697536 = 2017^2 + 11256^2 .

It is not a de Polignac number, because 130765825 - 2¹ = 130765823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130765823) 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, 2615292 + ... + 2615341.

Almost surely, 2^130765825 is an apocalyptic number.

It is an amenable number.

130765825 is a deficient number, since it is larger than the sum of its proper divisors (31383829).

130765825 is an equidigital number, since it uses as much as digits as its factorization.

130765825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5230643 (or 5230638 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 130765825 is about 11435.2885840280. The cubic root of 130765825 is about 507.5725021188.

The spelling of 130765825 in words is "one hundred thirty million, seven hundred sixty-five thousand, eight hundred twenty-five".