30530532 has 12 divisors (see below), whose sum is σ = 71237936. Its totient is φ = 10176840.

The previous prime is 30530519. The next prime is 30530543. The reversal of 30530532 is 23503503.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×30530532² = 1864226768406048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30530499 and 30530508.

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, 1272094 + ... + 1272117.

Almost surely, 2^30530532 is an apocalyptic number.

It is an amenable number.

30530532 is an abundant number, since it is smaller than the sum of its proper divisors (40707404).

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

30530532 is a wasteful number, since it uses less digits than its factorization.

30530532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544218 (or 2544216 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 21.

The square root of 30530532 is about 5525.4440545534. Note that the first 3 decimals coincide. The cubic root of 30530532 is about 312.5442096387.

The spelling of 30530532 in words is "thirty million, five hundred thirty thousand, five hundred thirty-two".