30546 has 12 divisors (see below), whose sum is σ = 66222. Its totient is φ = 10176.

The previous prime is 30539. The next prime is 30553. The reversal of 30546 is 64503.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30539) and next prime (30553).

It can be written as a sum of positive squares in only one way, i.e., 18225 + 12321 = 135^2 + 111^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1697 = 30546 / (3 + 0 + 5 + 4 + 6).

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 831 + ... + 866.

2³⁰⁵⁴⁶ is an apocalyptic number.

30546 is an abundant number, since it is smaller than the sum of its proper divisors (35676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30546 is a wasteful number, since it uses less digits than its factorization.

30546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705 (or 1702 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 30546 is about 174.7741399636. The cubic root of 30546 is about 31.2596983232.

It can be divided in two parts, 305 and 46, that added together give a triangular number (351 = T₂₆).

The spelling of 30546 in words is "thirty thousand, five hundred forty-six".