30533132 has 12 divisors (see below), whose sum is σ = 61066320. Its totient is φ = 13085616.

The previous prime is 30533119. The next prime is 30533161. The reversal of 30533132 is 23133503.

30533132 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545207 + ... + 545262.

It is an arithmetic number, because the mean of its divisors is an integer number (5088860).

Almost surely, 2^30533132 is an apocalyptic number.

It is an amenable number.

30533132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30533132 is a wasteful number, since it uses less digits than its factorization.

30533132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090480 (or 1090478 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 30533132 is about 5525.6793247527. The cubic root of 30533132 is about 312.5530815430.

Adding to 30533132 its reverse (23133503), we get a palindrome (53666635).

The spelling of 30533132 in words is "thirty million, five hundred thirty-three thousand, one hundred thirty-two".