272021 has 4 divisors (see below), whose sum is σ = 283872. Its totient is φ = 260172.

The previous prime is 272011. The next prime is 272029. The reversal of 272021 is 120272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 272021 - 2¹⁴ = 255637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 271987 and 272005.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 272021.

It is not an unprimeable number, because it can be changed into a prime (272029) 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, 5891 + ... + 5936.

It is an arithmetic number, because the mean of its divisors is an integer number (70968).

2²⁷²⁰²¹ is an apocalyptic number.

It is an amenable number.

272021 is a deficient number, since it is larger than the sum of its proper divisors (11851).

272021 is a wasteful number, since it uses less digits than its factorization.

272021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11850.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 272021 is about 521.5563248586. The cubic root of 272021 is about 64.7939034299.

Adding to 272021 its reverse (120272), we get a palindrome (392293).

It can be divided in two parts, 27 and 2021, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 272021 in words is "two hundred seventy-two thousand, twenty-one", and thus it is an iban number.