172241 has 4 divisors (see below), whose sum is σ = 176484. Its totient is φ = 168000.

The previous prime is 172223. The next prime is 172243. The reversal of 172241 is 142271.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9025 + 163216 = 95^2 + 404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (172243) 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, 2060 + ... + 2141.

It is an arithmetic number, because the mean of its divisors is an integer number (44121).

2¹⁷²²⁴¹ is an apocalyptic number.

It is an amenable number.

172241 is a deficient number, since it is larger than the sum of its proper divisors (4243).

172241 is an equidigital number, since it uses as much as digits as its factorization.

172241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4242.

The product of its digits is 112, while the sum is 17.

The square root of 172241 is about 415.0192766607. The cubic root of 172241 is about 55.6389398216.

The spelling of 172241 in words is "one hundred seventy-two thousand, two hundred forty-one", and thus it is an iban number.