42533242 has 16 divisors (see below), whose sum is σ = 65464200. Its totient is φ = 20717632.

The previous prime is 42533237. The next prime is 42533251. The reversal of 42533242 is 24233524.

It can be written as a sum of positive squares in 4 ways, for example, as 31236921 + 11296321 = 5589^2 + 3361^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14448 + ... + 17140.

Almost surely, 2^42533242 is an apocalyptic number.

42533242 is a deficient number, since it is larger than the sum of its proper divisors (22930958).

42533242 is a wasteful number, since it uses less digits than its factorization.

42533242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897.

The product of its digits is 5760, while the sum is 25.

The square root of 42533242 is about 6521.7514518724. The cubic root of 42533242 is about 349.0675643610.

Adding to 42533242 its reverse (24233524), we get a palindrome (66766766).

The spelling of 42533242 in words is "forty-two million, five hundred thirty-three thousand, two hundred forty-two".