673527289 has 2 divisors, whose sum is σ = 673527290. Its totient is φ = 673527288.

The previous prime is 673527269. The next prime is 673527299. The reversal of 673527289 is 982725376.

673527289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 588887289 + 84640000 = 24267^2 + 9200^2 .

It is a cyclic number.

It is not a de Polignac number, because 673527289 - 2²⁵ = 639972857 is a prime.

It is not a weakly prime, because it can be changed into another prime (673527269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336763644 + 336763645.

It is an arithmetic number, because the mean of its divisors is an integer number (336763645).

Almost surely, 2^673527289 is an apocalyptic number.

It is an amenable number.

673527289 is a deficient number, since it is larger than the sum of its proper divisors (1).

673527289 is an equidigital number, since it uses as much as digits as its factorization.

673527289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 49.

The square root of 673527289 is about 25952.4043009506. The cubic root of 673527289 is about 876.5668964772.

The spelling of 673527289 in words is "six hundred seventy-three million, five hundred twenty-seven thousand, two hundred eighty-nine".