172199 has 2 divisors, whose sum is σ = 172200. Its totient is φ = 172198.

The previous prime is 172181. The next prime is 172213. The reversal of 172199 is 991271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172199 - 2¹⁶ = 106663 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86099 + 86100.

It is an arithmetic number, because the mean of its divisors is an integer number (86100).

2¹⁷²¹⁹⁹ is an apocalyptic number.

172199 is a deficient number, since it is larger than the sum of its proper divisors (1).

172199 is an equidigital number, since it uses as much as digits as its factorization.

172199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134, while the sum is 29.

The square root of 172199 is about 414.9686735164. The cubic root of 172199 is about 55.6344170397.

The spelling of 172199 in words is "one hundred seventy-two thousand, one hundred ninety-nine".