273316545 has 16 divisors (see below), whose sum is σ = 485896320. Its totient is φ = 145768752.

The previous prime is 273316543. The next prime is 273316591. The reversal of 273316545 is 545613372.

It is not a de Polignac number, because 273316545 - 2¹ = 273316543 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (273316541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1012149 + ... + 1012418.

It is an arithmetic number, because the mean of its divisors is an integer number (30368520).

Almost surely, 2^273316545 is an apocalyptic number.

It is an amenable number.

273316545 is a deficient number, since it is larger than the sum of its proper divisors (212579775).

273316545 is a wasteful number, since it uses less digits than its factorization.

273316545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024581 (or 2024575 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 273316545 is about 16532.2879541823. The cubic root of 273316545 is about 648.9660445213.

The spelling of 273316545 in words is "two hundred seventy-three million, three hundred sixteen thousand, five hundred forty-five".