273224789 has 2 divisors, whose sum is σ = 273224790. Its totient is φ = 273224788.

The previous prime is 273224759. The next prime is 273224801. The reversal of 273224789 is 987422372.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267584164 + 5640625 = 16358^2 + 2375^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-273224789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273224759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136612394 + 136612395.

It is an arithmetic number, because the mean of its divisors is an integer number (136612395).

Almost surely, 2^273224789 is an apocalyptic number.

It is an amenable number.

273224789 is a deficient number, since it is larger than the sum of its proper divisors (1).

273224789 is an equidigital number, since it uses as much as digits as its factorization.

273224789 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 273224789 is about 16529.5126667425. The cubic root of 273224789 is about 648.8934142150.

The spelling of 273224789 in words is "two hundred seventy-three million, two hundred twenty-four thousand, seven hundred eighty-nine".