3405613 has 2 divisors, whose sum is σ = 3405614. Its totient is φ = 3405612.

The previous prime is 3405601. The next prime is 3405637. The reversal of 3405613 is 3165043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3305124 + 100489 = 1818^2 + 317^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3405613 is a prime.

3405613 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3405653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1702806 + 1702807.

It is an arithmetic number, because the mean of its divisors is an integer number (1702807).

Almost surely, 2^3405613 is an apocalyptic number.

It is an amenable number.

3405613 is a deficient number, since it is larger than the sum of its proper divisors (1).

3405613 is an equidigital number, since it uses as much as digits as its factorization.

3405613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 3405613 is about 1845.4303021247. The cubic root of 3405613 is about 150.4521615559.

The spelling of 3405613 in words is "three million, four hundred five thousand, six hundred thirteen".