130044025 has 12 divisors (see below), whose sum is σ = 163465852. Its totient is φ = 102608640.

The previous prime is 130044007. The next prime is 130044029. The reversal of 130044025 is 520440031.

It can be written as a sum of positive squares in 6 ways, for example, as 698896 + 129345129 = 836^2 + 11373^2 .

It is not a de Polignac number, because 130044025 - 2⁵ = 130043993 is a prime.

It is a super-2 number, since 2×130044025² = 33822896876401250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130043993 and 130044011.

It is not an unprimeable number, because it can be changed into a prime (130044029) 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, 33804 + ... + 37453.

Almost surely, 2^130044025 is an apocalyptic number.

It is an amenable number.

130044025 is a deficient number, since it is larger than the sum of its proper divisors (33421827).

130044025 is an equidigital number, since it uses as much as digits as its factorization.

130044025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71340 (or 71335 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 130044025 is about 11403.6847115307. The cubic root of 130044025 is about 506.6368805108.

Adding to 130044025 its reverse (520440031), we get a palindrome (650484056).

The spelling of 130044025 in words is "one hundred thirty million, forty-four thousand, twenty-five".