606423613 has 2 divisors, whose sum is σ = 606423614. Its totient is φ = 606423612.

The previous prime is 606423583. The next prime is 606423617. The reversal of 606423613 is 316324606.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422631364 + 183792249 = 20558^2 + 13557^2 .

It is a cyclic number.

It is not a de Polignac number, because 606423613 - 2²¹ = 604326461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (606423617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303211806 + 303211807.

It is an arithmetic number, because the mean of its divisors is an integer number (303211807).

Almost surely, 2^606423613 is an apocalyptic number.

It is an amenable number.

606423613 is a deficient number, since it is larger than the sum of its proper divisors (1).

606423613 is an equidigital number, since it uses as much as digits as its factorization.

606423613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 606423613 is about 24625.6697979974. The cubic root of 606423613 is about 846.4319233866.

The spelling of 606423613 in words is "six hundred six million, four hundred twenty-three thousand, six hundred thirteen".