273531049 has 32 divisors (see below), whose sum is σ = 325503360. Its totient is φ = 227174400.

The previous prime is 273531043. The next prime is 273531053. The reversal of 273531049 is 940135372.

It is a cyclic number.

It is not a de Polignac number, because 273531049 - 2⁷ = 273530921 is a prime.

It is a Duffinian 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 31 ways as a sum of consecutive naturals, for example, 1173837 + ... + 1174069.

It is an arithmetic number, because the mean of its divisors is an integer number (10171980).

Almost surely, 2^273531049 is an apocalyptic number.

It is an amenable number.

273531049 is a deficient number, since it is larger than the sum of its proper divisors (51972311).

273531049 is a wasteful number, since it uses less digits than its factorization.

273531049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 273531049 is about 16538.7741081375. The cubic root of 273531049 is about 649.1357737403.

The spelling of 273531049 in words is "two hundred seventy-three million, five hundred thirty-one thousand, forty-nine".