273481 has 8 divisors (see below), whose sum is σ = 298760. Its totient is φ = 248832.

The previous prime is 273473. The next prime is 273503. The reversal of 273481 is 184372.

It can be written as a sum of positive squares in 4 ways, for example, as 7225 + 266256 = 85^2 + 516^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 5-Lehmer number, since φ(273481) divides (273481-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 273481 - 2³ = 273473 is a prime.

It is a super-2 number, since 2×273481² = 149583714722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

273481 is a modest number, since divided by 481 gives 273 as remainder.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (273181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321 + ... + 1513.

It is an arithmetic number, because the mean of its divisors is an integer number (37345).

2²⁷³⁴⁸¹ is an apocalyptic number.

It is an amenable number.

273481 is a deficient number, since it is larger than the sum of its proper divisors (25279).

273481 is a wasteful number, since it uses less digits than its factorization.

273481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315.

The product of its digits is 1344, while the sum is 25.

The square root of 273481 is about 522.9541088853. The cubic root of 273481 is about 64.9096179724.

The spelling of 273481 in words is "two hundred seventy-three thousand, four hundred eighty-one".