130604321 has 2 divisors, whose sum is σ = 130604322. Its totient is φ = 130604320.

The previous prime is 130604303. The next prime is 130604323. The reversal of 130604321 is 123406031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72250000 + 58354321 = 8500^2 + 7639^2 .

It is a cyclic number.

It is not a de Polignac number, because 130604321 - 2²² = 126410017 is a prime.

Together with 130604323, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 130604293 and 130604302.

It is not a weakly prime, because it can be changed into another prime (130604323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65302160 + 65302161.

It is an arithmetic number, because the mean of its divisors is an integer number (65302161).

Almost surely, 2^130604321 is an apocalyptic number.

It is an amenable number.

130604321 is a deficient number, since it is larger than the sum of its proper divisors (1).

130604321 is an equidigital number, since it uses as much as digits as its factorization.

130604321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 130604321 is about 11428.2247527777. The cubic root of 130604321 is about 507.3634547355.

The spelling of 130604321 in words is "one hundred thirty million, six hundred four thousand, three hundred twenty-one".