172058 has 4 divisors (see below), whose sum is σ = 258090. Its totient is φ = 86028.

The previous prime is 172049. The next prime is 172069. The reversal of 172058 is 850271.

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

It can be written as a sum of positive squares in only one way, i.e., 142129 + 29929 = 377^2 + 173^2 .

It is a Curzon number.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43013 + ... + 43016.

2¹⁷²⁰⁵⁸ is an apocalyptic number.

172058 is a deficient number, since it is larger than the sum of its proper divisors (86032).

172058 is an equidigital number, since it uses as much as digits as its factorization.

172058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86031.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 172058 is about 414.7987463819. The cubic root of 172058 is about 55.6192280338.

The spelling of 172058 in words is "one hundred seventy-two thousand, fifty-eight".