130305433 has 2 divisors, whose sum is σ = 130305434. Its totient is φ = 130305432.

The previous prime is 130305397. The next prime is 130305443. The reversal of 130305433 is 334503031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126607504 + 3697929 = 11252^2 + 1923^2 .

It is a cyclic number.

It is not a de Polignac number, because 130305433 - 2¹⁷ = 130174361 is a prime.

It is not a weakly prime, because it can be changed into another prime (130305443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65152716 + 65152717.

It is an arithmetic number, because the mean of its divisors is an integer number (65152717).

Almost surely, 2^130305433 is an apocalyptic number.

It is an amenable number.

130305433 is a deficient number, since it is larger than the sum of its proper divisors (1).

130305433 is an equidigital number, since it uses as much as digits as its factorization.

130305433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 130305433 is about 11415.1405159989. The cubic root of 130305433 is about 506.9761253471.

Adding to 130305433 its reverse (334503031), we get a palindrome (464808464).

The spelling of 130305433 in words is "one hundred thirty million, three hundred five thousand, four hundred thirty-three".