130656025 has 12 divisors (see below), whose sum is σ = 162575532. Its totient is φ = 104162240.

The previous prime is 130656023. The next prime is 130656089. The reversal of 130656025 is 520656031.

It can be written as a sum of positive squares in 6 ways, for example, as 13756681 + 116899344 = 3709^2 + 10812^2 .

It is not a de Polignac number, because 130656025 - 2¹ = 130656023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130655984 and 130656002.

It is not an unprimeable number, because it can be changed into a prime (130656023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1594 + ... + 16243.

It is an arithmetic number, because the mean of its divisors is an integer number (13547961).

Almost surely, 2^130656025 is an apocalyptic number.

It is an amenable number.

130656025 is a deficient number, since it is larger than the sum of its proper divisors (31919507).

130656025 is a wasteful number, since it uses less digits than its factorization.

130656025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18140 (or 18135 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 130656025 is about 11430.4866475579. The cubic root of 130656025 is about 507.4303980518.

The spelling of 130656025 in words is "one hundred thirty million, six hundred fifty-six thousand, twenty-five".