272521 has 8 divisors (see below), whose sum is σ = 288000. Its totient is φ = 257520.

The previous prime is 272507. The next prime is 272533. The reversal of 272521 is 125272.

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

It is a cyclic number.

It is not a de Polignac number, because 272521 - 2⁹ = 272009 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1755 + ... + 1903.

It is an arithmetic number, because the mean of its divisors is an integer number (36000).

2²⁷²⁵²¹ is an apocalyptic number.

It is an amenable number.

272521 is a deficient number, since it is larger than the sum of its proper divisors (15479).

272521 is a wasteful number, since it uses less digits than its factorization.

272521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239.

The product of its digits is 280, while the sum is 19.

The square root of 272521 is about 522.0354394100. The cubic root of 272521 is about 64.8335782129.

Adding to 272521 its reverse (125272), we get a palindrome (397793).

The spelling of 272521 in words is "two hundred seventy-two thousand, five hundred twenty-one".