8661413 has 2 divisors, whose sum is σ = 8661414. Its totient is φ = 8661412.

The previous prime is 8661407. The next prime is 8661427. The reversal of 8661413 is 3141668.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8514724 + 146689 = 2918^2 + 383^2 .

It is a cyclic number.

It is not a de Polignac number, because 8661413 - 2¹⁴ = 8645029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8660413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4330706 + 4330707.

It is an arithmetic number, because the mean of its divisors is an integer number (4330707).

Almost surely, 2^8661413 is an apocalyptic number.

It is an amenable number.

8661413 is a deficient number, since it is larger than the sum of its proper divisors (1).

8661413 is an equidigital number, since it uses as much as digits as its factorization.

8661413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 8661413 is about 2943.0278625932. The cubic root of 8661413 is about 205.3664909512.

The spelling of 8661413 in words is "eight million, six hundred sixty-one thousand, four hundred thirteen".