405575713 has 2 divisors, whose sum is σ = 405575714. Its totient is φ = 405575712.

The previous prime is 405575707. The next prime is 405575743. The reversal of 405575713 is 317575504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 402925329 + 2650384 = 20073^2 + 1628^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-405575713 is a prime.

It is not a weakly prime, because it can be changed into another prime (405575743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202787856 + 202787857.

It is an arithmetic number, because the mean of its divisors is an integer number (202787857).

Almost surely, 2^405575713 is an apocalyptic number.

It is an amenable number.

405575713 is a deficient number, since it is larger than the sum of its proper divisors (1).

405575713 is an equidigital number, since it uses as much as digits as its factorization.

405575713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73500, while the sum is 37.

The square root of 405575713 is about 20138.9104223640. The cubic root of 405575713 is about 740.2140317099.

The spelling of 405575713 in words is "four hundred five million, five hundred seventy-five thousand, seven hundred thirteen".