405443713 has 2 divisors, whose sum is σ = 405443714. Its totient is φ = 405443712.

The previous prime is 405443707. The next prime is 405443719. The reversal of 405443713 is 317344504.

It is a balanced prime because it is at equal distance from previous prime (405443707) and next prime (405443719).

It can be written as a sum of positive squares in only one way, i.e., 219721329 + 185722384 = 14823^2 + 13628^2 .

It is a cyclic number.

It is not a de Polignac number, because 405443713 - 2⁵ = 405443681 is a prime.

It is a super-2 number, since 2×405443713² = 328769208822452738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (405443719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202721856 + 202721857.

It is an arithmetic number, because the mean of its divisors is an integer number (202721857).

Almost surely, 2^405443713 is an apocalyptic number.

It is an amenable number.

405443713 is a deficient number, since it is larger than the sum of its proper divisors (1).

405443713 is an equidigital number, since it uses as much as digits as its factorization.

405443713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 405443713 is about 20135.6329177903. The cubic root of 405443713 is about 740.1337188352.

The spelling of 405443713 in words is "four hundred five million, four hundred forty-three thousand, seven hundred thirteen".