406330451 has 2 divisors, whose sum is σ = 406330452. Its totient is φ = 406330450.

The previous prime is 406330439. The next prime is 406330453. The reversal of 406330451 is 154033604.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406330451 is a prime.

It is a Sophie Germain prime.

Together with 406330453, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 406330451.

It is not a weakly prime, because it can be changed into another prime (406330453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203165225 + 203165226.

It is an arithmetic number, because the mean of its divisors is an integer number (203165226).

Almost surely, 2^406330451 is an apocalyptic number.

406330451 is a deficient number, since it is larger than the sum of its proper divisors (1).

406330451 is an equidigital number, since it uses as much as digits as its factorization.

406330451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 406330451 is about 20157.6400156368. The cubic root of 406330451 is about 740.6729032639.

The spelling of 406330451 in words is "four hundred six million, three hundred thirty thousand, four hundred fifty-one".