30475 has 12 divisors (see below), whose sum is σ = 40176. Its totient is φ = 22880.

The previous prime is 30469. The next prime is 30491. The reversal of 30475 is 57403.

It is not a de Polignac number, because 30475 - 2³ = 30467 is a prime.

It is a Duffinian number.

30475 is a lucky number.

It is a plaindrome in base 12.

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, 549 + ... + 601.

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

2³⁰⁴⁷⁵ is an apocalyptic number.

30475 is a deficient number, since it is larger than the sum of its proper divisors (9701).

30475 is a wasteful number, since it uses less digits than its factorization.

30475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 30475 is about 174.5709025010. The cubic root of 30475 is about 31.2354599025.

Adding to 30475 its reverse (57403), we get a palindrome (87878).

It can be divided in two parts, 30 and 475, that added together give a palindrome (505).

The spelling of 30475 in words is "thirty thousand, four hundred seventy-five".