172269 has 6 divisors (see below), whose sum is σ = 248846. Its totient is φ = 114840.

The previous prime is 172259. The next prime is 172279. The reversal of 172269 is 962271.

172269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (172259) and next prime (172279).

It can be written as a sum of positive squares in only one way, i.e., 149769 + 22500 = 387^2 + 150^2 .

It is not a de Polignac number, because 172269 - 2⁹ = 171757 is a prime.

It is a super-2 number, since 2×172269² = 59353216722, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9562 + ... + 9579.

2¹⁷²²⁶⁹ is an apocalyptic number.

It is an amenable number.

172269 is a deficient number, since it is larger than the sum of its proper divisors (76577).

172269 is a wasteful number, since it uses less digits than its factorization.

172269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19147 (or 19144 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 172269 is about 415.0530086627. The cubic root of 172269 is about 55.6419546011.

It can be divided in two parts, 172 and 269, that added together give a square (441 = 21²).

The spelling of 172269 in words is "one hundred seventy-two thousand, two hundred sixty-nine".