473561009 has 2 divisors, whose sum is σ = 473561010. Its totient is φ = 473561008.

The previous prime is 473561003. The next prime is 473561051. The reversal of 473561009 is 900165374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 296803984 + 176757025 = 17228^2 + 13295^2 .

It is a cyclic number.

It is not a de Polignac number, because 473561009 - 2⁸ = 473560753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 473561009.

It is not a weakly prime, because it can be changed into another prime (473561003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236780504 + 236780505.

It is an arithmetic number, because the mean of its divisors is an integer number (236780505).

Almost surely, 2^473561009 is an apocalyptic number.

It is an amenable number.

473561009 is a deficient number, since it is larger than the sum of its proper divisors (1).

473561009 is an equidigital number, since it uses as much as digits as its factorization.

473561009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 473561009 is about 21761.4569594961. The cubic root of 473561009 is about 779.4566723542.

The spelling of 473561009 in words is "four hundred seventy-three million, five hundred sixty-one thousand, nine".