416245009 has 2 divisors, whose sum is σ = 416245010. Its totient is φ = 416245008.

The previous prime is 416245003. The next prime is 416245013. The reversal of 416245009 is 900542614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254243025 + 162001984 = 15945^2 + 12728^2 .

It is a cyclic number.

It is not a de Polignac number, because 416245009 - 2⁵ = 416244977 is a prime.

It is not a weakly prime, because it can be changed into another prime (416245003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208122504 + 208122505.

It is an arithmetic number, because the mean of its divisors is an integer number (208122505).

Almost surely, 2^416245009 is an apocalyptic number.

It is an amenable number.

416245009 is a deficient number, since it is larger than the sum of its proper divisors (1).

416245009 is an equidigital number, since it uses as much as digits as its factorization.

416245009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 416245009 is about 20402.0834475305. The cubic root of 416245009 is about 746.6487569002.

The spelling of 416245009 in words is "four hundred sixteen million, two hundred forty-five thousand, nine".