42315533 has 8 divisors (see below), whose sum is σ = 48251448. Its totient is φ = 36762624.

The previous prime is 42315529. The next prime is 42315541. The reversal of 42315533 is 33551324.

42315533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8988004 + 33327529 = 2998^2 + 5773^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42315533 - 2² = 42315529 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42315523) 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, 95516 + ... + 95957.

It is an arithmetic number, because the mean of its divisors is an integer number (6031431).

Almost surely, 2^42315533 is an apocalyptic number.

It is an amenable number.

42315533 is a deficient number, since it is larger than the sum of its proper divisors (5935915).

42315533 is a wasteful number, since it uses less digits than its factorization.

42315533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191503.

The product of its digits is 5400, while the sum is 26.

The square root of 42315533 is about 6505.0390467698. The cubic root of 42315533 is about 348.4709707422.

Adding to 42315533 its reverse (33551324), we get a palindrome (75866857).

The spelling of 42315533 in words is "forty-two million, three hundred fifteen thousand, five hundred thirty-three".