130780025 has 12 divisors (see below), whose sum is σ = 162440124. Its totient is φ = 104448000.

The previous prime is 130780019. The next prime is 130780033. The reversal of 130780025 is 520087031.

It can be written as a sum of positive squares in 6 ways, for example, as 89401 + 130690624 = 299^2 + 11432^2 .

It is not a de Polignac number, because 130780025 - 2⁴ = 130780009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130779976 and 130780003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11945 + ... + 20105.

It is an arithmetic number, because the mean of its divisors is an integer number (13536677).

Almost surely, 2^130780025 is an apocalyptic number.

It is an amenable number.

130780025 is a deficient number, since it is larger than the sum of its proper divisors (31660099).

130780025 is an equidigital number, since it uses as much as digits as its factorization.

130780025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8812 (or 8807 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 130780025 is about 11435.9094522473. The cubic root of 130780025 is about 507.5908740664.

The spelling of 130780025 in words is "one hundred thirty million, seven hundred eighty thousand, twenty-five".