406951243 has 2 divisors, whose sum is σ = 406951244. Its totient is φ = 406951242.

The previous prime is 406951231. The next prime is 406951289. The reversal of 406951243 is 342159604.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406951243 - 2¹⁷ = 406820171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 406951199 and 406951208.

It is not a weakly prime, because it can be changed into another prime (406954243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203475621 + 203475622.

It is an arithmetic number, because the mean of its divisors is an integer number (203475622).

Almost surely, 2^406951243 is an apocalyptic number.

406951243 is a deficient number, since it is larger than the sum of its proper divisors (1).

406951243 is an equidigital number, since it uses as much as digits as its factorization.

406951243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 406951243 is about 20173.0325682581. The cubic root of 406951243 is about 741.0499115565.

The spelling of 406951243 in words is "four hundred six million, nine hundred fifty-one thousand, two hundred forty-three".