130603345 has 4 divisors (see below), whose sum is σ = 156724020. Its totient is φ = 104482672.

The previous prime is 130603337. The next prime is 130603349. The reversal of 130603345 is 543306031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28815424 + 101787921 = 5368^2 + 10089^2 .

It is a cyclic number.

It is not a de Polignac number, because 130603345 - 2³ = 130603337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130603349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13060330 + ... + 13060339.

It is an arithmetic number, because the mean of its divisors is an integer number (39181005).

Almost surely, 2^130603345 is an apocalyptic number.

It is an amenable number.

130603345 is a deficient number, since it is larger than the sum of its proper divisors (26120675).

130603345 is an equidigital number, since it uses as much as digits as its factorization.

130603345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26120674.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 130603345 is about 11428.1820514026. The cubic root of 130603345 is about 507.3621908978.

Adding to 130603345 its reverse (543306031), we get a palindrome (673909376).

The spelling of 130603345 in words is "one hundred thirty million, six hundred three thousand, three hundred forty-five".