273531045 has 24 divisors (see below), whose sum is σ = 453282336. Its totient is φ = 140846272.

The previous prime is 273531043. The next prime is 273531053. The reversal of 273531045 is 540135372.

It is not a de Polignac number, because 273531045 - 2¹ = 273531043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273531043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1774 + ... + 23456.

It is an arithmetic number, because the mean of its divisors is an integer number (18886764).

Almost surely, 2^273531045 is an apocalyptic number.

It is an amenable number.

273531045 is a deficient number, since it is larger than the sum of its proper divisors (179751291).

273531045 is a wasteful number, since it uses less digits than its factorization.

273531045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21749 (or 21720 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 273531045 is about 16538.7739872096. The cubic root of 273531045 is about 649.1357705760.

The spelling of 273531045 in words is "two hundred seventy-three million, five hundred thirty-one thousand, forty-five".