408574013 has 2 divisors, whose sum is σ = 408574014. Its totient is φ = 408574012.

The previous prime is 408573989. The next prime is 408574087. The reversal of 408574013 is 310475804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 406344964 + 2229049 = 20158^2 + 1493^2 .

It is a cyclic number.

It is not a de Polignac number, because 408574013 - 2¹⁴ = 408557629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (408573013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204287006 + 204287007.

It is an arithmetic number, because the mean of its divisors is an integer number (204287007).

Almost surely, 2^408574013 is an apocalyptic number.

It is an amenable number.

408574013 is a deficient number, since it is larger than the sum of its proper divisors (1).

408574013 is an equidigital number, since it uses as much as digits as its factorization.

408574013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 408574013 is about 20213.2138216564. The cubic root of 408574013 is about 742.0336155195.

The spelling of 408574013 in words is "four hundred eight million, five hundred seventy-four thousand, thirteen".