406304953 has 2 divisors, whose sum is σ = 406304954. Its totient is φ = 406304952.

The previous prime is 406304939. The next prime is 406305007. The reversal of 406304953 is 359403604.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341067024 + 65237929 = 18468^2 + 8077^2 .

It is a cyclic number.

It is not a de Polignac number, because 406304953 - 2⁹ = 406304441 is a prime.

It is not a weakly prime, because it can be changed into another prime (406304903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203152476 + 203152477.

It is an arithmetic number, because the mean of its divisors is an integer number (203152477).

Almost surely, 2^406304953 is an apocalyptic number.

It is an amenable number.

406304953 is a deficient number, since it is larger than the sum of its proper divisors (1).

406304953 is an equidigital number, since it uses as much as digits as its factorization.

406304953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 406304953 is about 20157.0075408033. The cubic root of 406304953 is about 740.6574100673.

The spelling of 406304953 in words is "four hundred six million, three hundred four thousand, nine hundred fifty-three".