130643025 has 24 divisors (see below), whose sum is σ = 217661664. Its totient is φ = 69139200.

The previous prime is 130643017. The next prime is 130643081. The reversal of 130643025 is 520346031.

It is a happy number.

It is not a de Polignac number, because 130643025 - 2³ = 130643017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130642986 and 130643004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3177 + ... + 16473.

It is an arithmetic number, because the mean of its divisors is an integer number (9069236).

Almost surely, 2^130643025 is an apocalyptic number.

130643025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130643025 is a deficient number, since it is larger than the sum of its proper divisors (87018639).

130643025 is a wasteful number, since it uses less digits than its factorization.

130643025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13441 (or 13436 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 130643025 is about 11429.9179787083. The cubic root of 130643025 is about 507.4135680741.

Adding to 130643025 its reverse (520346031), we get a palindrome (650989056).

The spelling of 130643025 in words is "one hundred thirty million, six hundred forty-three thousand, twenty-five".