612130403 has 2 divisors, whose sum is σ = 612130404. Its totient is φ = 612130402.

The previous prime is 612130319. The next prime is 612130411. The reversal of 612130403 is 304031216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612130403 - 2⁸ = 612130147 is a prime.

It is not a weakly prime, because it can be changed into another prime (612130423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306065201 + 306065202.

It is an arithmetic number, because the mean of its divisors is an integer number (306065202).

Almost surely, 2^612130403 is an apocalyptic number.

612130403 is a deficient number, since it is larger than the sum of its proper divisors (1).

612130403 is an equidigital number, since it uses as much as digits as its factorization.

612130403 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 612130403 is about 24741.2692277498. The cubic root of 612130403 is about 849.0787726409.

Adding to 612130403 its reverse (304031216), we get a palindrome (916161619).

The spelling of 612130403 in words is "six hundred twelve million, one hundred thirty thousand, four hundred three".