472273289 has 2 divisors, whose sum is σ = 472273290. Its totient is φ = 472273288.

The previous prime is 472273267. The next prime is 472273337. The reversal of 472273289 is 982372274.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 281971264 + 190302025 = 16792^2 + 13795^2 .

It is a cyclic number.

It is not a de Polignac number, because 472273289 - 2¹⁶ = 472207753 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (472273589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236136644 + 236136645.

It is an arithmetic number, because the mean of its divisors is an integer number (236136645).

Almost surely, 2^472273289 is an apocalyptic number.

It is an amenable number.

472273289 is a deficient number, since it is larger than the sum of its proper divisors (1).

472273289 is an equidigital number, since it uses as much as digits as its factorization.

472273289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 44.

The square root of 472273289 is about 21731.8496451637. The cubic root of 472273289 is about 778.7495243932.

The spelling of 472273289 in words is "four hundred seventy-two million, two hundred seventy-three thousand, two hundred eighty-nine".