30175 has 12 divisors (see below), whose sum is σ = 40176. Its totient is φ = 22400.

The previous prime is 30169. The next prime is 30181. The reversal of 30175 is 57103.

It is an interprime number because it is at equal distance from previous prime (30169) and next prime (30181).

It is not a de Polignac number, because 30175 - 2⁷ = 30047 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 390 + ... + 460.

It is an arithmetic number, because the mean of its divisors is an integer number (3348).

2³⁰¹⁷⁵ is an apocalyptic number.

30175 is the 142-nd pentagonal number.

30175 is a deficient number, since it is larger than the sum of its proper divisors (10001).

30175 is a wasteful number, since it uses less digits than its factorization.

30175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 16.

The square root of 30175 is about 173.7095276604. The cubic root of 30175 is about 31.1326263684.

Adding to 30175 its reverse (57103), we get a palindrome (87278).

The spelling of 30175 in words is "thirty thousand, one hundred seventy-five".