273540245 has 16 divisors (see below), whose sum is σ = 376937280. Its totient is φ = 188467200.

The previous prime is 273540227. The next prime is 273540247. The reversal of 273540245 is 542045372.

It is not a de Polignac number, because 273540245 - 2¹⁰ = 273539221 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273540247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129836 + ... + 131925.

It is an arithmetic number, because the mean of its divisors is an integer number (23558580).

Almost surely, 2^273540245 is an apocalyptic number.

It is an amenable number.

273540245 is a deficient number, since it is larger than the sum of its proper divisors (103397035).

273540245 is a wasteful number, since it uses less digits than its factorization.

273540245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261796.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 273540245 is about 16539.0521191512. The cubic root of 273540245 is about 649.1430482169.

The spelling of 273540245 in words is "two hundred seventy-three million, five hundred forty thousand, two hundred forty-five".