30533242 has 4 divisors (see below), whose sum is σ = 45799866. Its totient is φ = 15266620.

The previous prime is 30533231. The next prime is 30533249. The reversal of 30533242 is 24233503.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28740321 + 1792921 = 5361^2 + 1339^2 .

It is not an unprimeable number, because it can be changed into a prime (30533249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7633309 + ... + 7633312.

Almost surely, 2^30533242 is an apocalyptic number.

30533242 is a deficient number, since it is larger than the sum of its proper divisors (15266624).

30533242 is a wasteful number, since it uses less digits than its factorization.

30533242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15266623.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 30533242 is about 5525.6892782711. The cubic root of 30533242 is about 312.5534568817.

Adding to 30533242 its reverse (24233503), we get a palindrome (54766745).

The spelling of 30533242 in words is "thirty million, five hundred thirty-three thousand, two hundred forty-two".