273243316 has 6 divisors (see below), whose sum is σ = 478175810. Its totient is φ = 136621656.

The previous prime is 273243301. The next prime is 273243317. The reversal of 273243316 is 613342372.

It can be written as a sum of positive squares in only one way, i.e., 267191716 + 6051600 = 16346^2 + 2460^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273243317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34155411 + ... + 34155418.

Almost surely, 2^273243316 is an apocalyptic number.

It is an amenable number.

273243316 is a deficient number, since it is larger than the sum of its proper divisors (204932494).

273243316 is a wasteful number, since it uses less digits than its factorization.

273243316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68310833 (or 68310831 counting only the distinct ones).

The product of its digits is 18144, while the sum is 31.

The square root of 273243316 is about 16530.0730790883. The cubic root of 273243316 is about 648.9080807424.

Adding to 273243316 its reverse (613342372), we get a palindrome (886585688).

The spelling of 273243316 in words is "two hundred seventy-three million, two hundred forty-three thousand, three hundred sixteen".