272491 has 4 divisors (see below), whose sum is σ = 278872. Its totient is φ = 266112.

The previous prime is 272477. The next prime is 272507. The reversal of 272491 is 194272.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 272491 - 2¹¹ = 270443 is a prime.

It is a Duffinian number.

272491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (272411) 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, 3126 + ... + 3211.

It is an arithmetic number, because the mean of its divisors is an integer number (69718).

2²⁷²⁴⁹¹ is an apocalyptic number.

272491 is a deficient number, since it is larger than the sum of its proper divisors (6381).

272491 is an equidigital number, since it uses as much as digits as its factorization.

272491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6380.

The product of its digits is 1008, while the sum is 25.

The square root of 272491 is about 522.0067049378. The cubic root of 272491 is about 64.8311990950.

The spelling of 272491 in words is "two hundred seventy-two thousand, four hundred ninety-one".