6123613 has 2 divisors, whose sum is σ = 6123614. Its totient is φ = 6123612.

The previous prime is 6123571. The next prime is 6123617. The reversal of 6123613 is 3163216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3175524 + 2948089 = 1782^2 + 1717^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6123613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6123617) 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, 3061806 + 3061807.

It is an arithmetic number, because the mean of its divisors is an integer number (3061807).

Almost surely, 2^6123613 is an apocalyptic number.

It is an amenable number.

6123613 is a deficient number, since it is larger than the sum of its proper divisors (1).

6123613 is an equidigital number, since it uses as much as digits as its factorization.

6123613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 22.

The square root of 6123613 is about 2474.5935019716. The cubic root of 6123613 is about 182.9514736911.

Adding to 6123613 its reverse (3163216), we get a palindrome (9286829).

It can be divided in two parts, 612 and 3613, that added together give a square (4225 = 65²).

The spelling of 6123613 in words is "six million, one hundred twenty-three thousand, six hundred thirteen".