130166425 has 6 divisors (see below), whose sum is σ = 161406398. Its totient is φ = 104133120.

The previous prime is 130166419. The next prime is 130166429. The reversal of 130166425 is 524661031.

It can be written as a sum of positive squares in 3 ways, for example, as 6245001 + 123921424 = 2499^2 + 11132^2 .

It is not a de Polignac number, because 130166425 - 2³ = 130166417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130166393 and 130166402.

It is not an unprimeable number, because it can be changed into a prime (130166429) 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, 2603304 + ... + 2603353.

Almost surely, 2^130166425 is an apocalyptic number.

It is an amenable number.

130166425 is a deficient number, since it is larger than the sum of its proper divisors (31239973).

130166425 is an equidigital number, since it uses as much as digits as its factorization.

130166425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5206667 (or 5206662 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 130166425 is about 11409.0501357475. The cubic root of 130166425 is about 506.7957828738.

The spelling of 130166425 in words is "one hundred thirty million, one hundred sixty-six thousand, four hundred twenty-five".