130750825 has 18 divisors (see below), whose sum is σ = 172238666. Its totient is φ = 98442240.

The previous prime is 130750819. The next prime is 130750849. The reversal of 130750825 is 528057031.

It can be written as a sum of positive squares in 9 ways, for example, as 24413481 + 106337344 = 4941^2 + 10312^2 .

It is not a de Polignac number, because 130750825 - 2³ = 130750817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1824 + ... + 16273.

Almost surely, 2^130750825 is an apocalyptic number.

It is an amenable number.

130750825 is a deficient number, since it is larger than the sum of its proper divisors (41487841).

130750825 is a wasteful number, since it uses less digits than its factorization.

130750825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18141 (or 18119 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 130750825 is about 11434.6327007036. The cubic root of 130750825 is about 507.5530936873.

Adding to 130750825 its product of nonzero digits (8400), we get a square (130759225 = 11435²).

The spelling of 130750825 in words is "one hundred thirty million, seven hundred fifty thousand, eight hundred twenty-five".