473409281 has 2 divisors, whose sum is σ = 473409282. Its totient is φ = 473409280.

The previous prime is 473409271. The next prime is 473409289. The reversal of 473409281 is 182904374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 384748225 + 88661056 = 19615^2 + 9416^2 .

It is a cyclic number.

It is not a de Polignac number, because 473409281 - 2²⁶ = 406300417 is a prime.

It is a super-2 number, since 2×473409281² = 448232694673873922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (473409289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236704640 + 236704641.

It is an arithmetic number, because the mean of its divisors is an integer number (236704641).

Almost surely, 2^473409281 is an apocalyptic number.

It is an amenable number.

473409281 is a deficient number, since it is larger than the sum of its proper divisors (1).

473409281 is an equidigital number, since it uses as much as digits as its factorization.

473409281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 473409281 is about 21757.9705165716. The cubic root of 473409281 is about 779.3734180092.

The spelling of 473409281 in words is "four hundred seventy-three million, four hundred nine thousand, two hundred eighty-one".