273487 has 4 divisors (see below), whose sum is σ = 274536. Its totient is φ = 272440.

The previous prime is 273473. The next prime is 273503. The reversal of 273487 is 784372.

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 is a cyclic number.

It is not a de Polignac number, because 273487 - 2⁷ = 273359 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273457) 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, 213 + ... + 769.

It is an arithmetic number, because the mean of its divisors is an integer number (68634).

2²⁷³⁴⁸⁷ is an apocalyptic number.

273487 is a deficient number, since it is larger than the sum of its proper divisors (1049).

273487 is an equidigital number, since it uses as much as digits as its factorization.

273487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048.

The product of its digits is 9408, while the sum is 31.

The square root of 273487 is about 522.9598454949. The cubic root of 273487 is about 64.9100926609.

It can be divided in two parts, 27 and 3487, that multiplied together give a palindrome (94149).

The spelling of 273487 in words is "two hundred seventy-three thousand, four hundred eighty-seven".