6456613 has 2 divisors, whose sum is σ = 6456614. Its totient is φ = 6456612.

The previous prime is 6456607. The next prime is 6456623. The reversal of 6456613 is 3166546.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5678689 + 777924 = 2383^2 + 882^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6456613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6456623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3228306 + 3228307.

It is an arithmetic number, because the mean of its divisors is an integer number (3228307).

Almost surely, 2^6456613 is an apocalyptic number.

It is an amenable number.

6456613 is a deficient number, since it is larger than the sum of its proper divisors (1).

6456613 is an equidigital number, since it uses as much as digits as its factorization.

6456613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 6456613 is about 2540.9866194059. The cubic root of 6456613 is about 186.2093934267.

The spelling of 6456613 in words is "six million, four hundred fifty-six thousand, six hundred thirteen".