30532885 has 8 divisors (see below), whose sum is σ = 36783576. Its totient is φ = 24330240.

The previous prime is 30532883. The next prime is 30532921. The reversal of 30532885 is 58823503.

It can be written as a sum of positive squares in 4 ways, for example, as 12068676 + 18464209 = 3474^2 + 4297^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30532885 - 2¹ = 30532883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30532885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30532883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10596 + ... + 13165.

It is an arithmetic number, because the mean of its divisors is an integer number (4597947).

Almost surely, 2^30532885 is an apocalyptic number.

It is an amenable number.

30532885 is a deficient number, since it is larger than the sum of its proper divisors (6250691).

30532885 is a wasteful number, since it uses less digits than its factorization.

30532885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24023.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 30532885 is about 5525.6569745144. The cubic root of 30532885 is about 312.5522387337.

The spelling of 30532885 in words is "thirty million, five hundred thirty-two thousand, eight hundred eighty-five".