272531 has 4 divisors (see below), whose sum is σ = 311472. Its totient is φ = 233592.

The previous prime is 272507. The next prime is 272533. The reversal of 272531 is 135272.

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 272531 - 2¹⁴ = 256147 is a prime.

It is a super-2 number, since 2×272531² = 148546291922, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 272531.

It is not an unprimeable number, because it can be changed into a prime (272533) 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 3 ways as a sum of consecutive naturals, for example, 19460 + ... + 19473.

It is an arithmetic number, because the mean of its divisors is an integer number (77868).

2²⁷²⁵³¹ is an apocalyptic number.

272531 is a deficient number, since it is larger than the sum of its proper divisors (38941).

272531 is an equidigital number, since it uses as much as digits as its factorization.

272531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38940.

The product of its digits is 420, while the sum is 20.

The square root of 272531 is about 522.0450172159. The cubic root of 272531 is about 64.8343712133.

The spelling of 272531 in words is "two hundred seventy-two thousand, five hundred thirty-one".