273538361 has 4 divisors (see below), whose sum is σ = 273575652. Its totient is φ = 273501072.

The previous prime is 273538357. The next prime is 273538367. The reversal of 273538361 is 163835372.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 115885225 + 157653136 = 10765^2 + 12556^2 .

It is a cyclic number.

It is not a de Polignac number, because 273538361 - 2² = 273538357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (273538367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3590 + ... + 23663.

It is an arithmetic number, because the mean of its divisors is an integer number (68393913).

Almost surely, 2^273538361 is an apocalyptic number.

It is an amenable number.

273538361 is a deficient number, since it is larger than the sum of its proper divisors (37291).

273538361 is a wasteful number, since it uses less digits than its factorization.

273538361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37290.

The product of its digits is 90720, while the sum is 38.

The square root of 273538361 is about 16538.9951629475. The cubic root of 273538361 is about 649.1415578959.

The spelling of 273538361 in words is "two hundred seventy-three million, five hundred thirty-eight thousand, three hundred sixty-one".