406425473 has 2 divisors, whose sum is σ = 406425474. Its totient is φ = 406425472.

The previous prime is 406425463. The next prime is 406425521. The reversal of 406425473 is 374524604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 404331664 + 2093809 = 20108^2 + 1447^2 .

It is a cyclic number.

It is not a de Polignac number, because 406425473 - 2¹⁰ = 406424449 is a prime.

It is not a weakly prime, because it can be changed into another prime (406425413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203212736 + 203212737.

It is an arithmetic number, because the mean of its divisors is an integer number (203212737).

Almost surely, 2^406425473 is an apocalyptic number.

It is an amenable number.

406425473 is a deficient number, since it is larger than the sum of its proper divisors (1).

406425473 is an equidigital number, since it uses as much as digits as its factorization.

406425473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 406425473 is about 20159.9968501982. The cubic root of 406425473 is about 740.7306352035.

The spelling of 406425473 in words is "four hundred six million, four hundred twenty-five thousand, four hundred seventy-three".