473523409 has 2 divisors, whose sum is σ = 473523410. Its totient is φ = 473523408.

The previous prime is 473523403. The next prime is 473523493. The reversal of 473523409 is 904325374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 410670225 + 62853184 = 20265^2 + 7928^2 .

It is a cyclic number.

It is not a de Polignac number, because 473523409 - 2⁹ = 473522897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (473523403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236761704 + 236761705.

It is an arithmetic number, because the mean of its divisors is an integer number (236761705).

Almost surely, 2^473523409 is an apocalyptic number.

It is an amenable number.

473523409 is a deficient number, since it is larger than the sum of its proper divisors (1).

473523409 is an equidigital number, since it uses as much as digits as its factorization.

473523409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 473523409 is about 21760.5930296028. The cubic root of 473523409 is about 779.4360425965.

The spelling of 473523409 in words is "four hundred seventy-three million, five hundred twenty-three thousand, four hundred nine".