42919533 has 12 divisors (see below), whose sum is σ = 62318620. Its totient is φ = 28463616.

The previous prime is 42919511. The next prime is 42919553. The reversal of 42919533 is 33591924.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19474569 + 23444964 = 4413^2 + 4842^2 .

It is not a de Polignac number, because 42919533 - 2⁸ = 42919277 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 (42919553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10618 + ... + 14091.

Almost surely, 2^42919533 is an apocalyptic number.

It is an amenable number.

42919533 is a deficient number, since it is larger than the sum of its proper divisors (19399087).

42919533 is a wasteful number, since it uses less digits than its factorization.

42919533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24908 (or 24905 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 42919533 is about 6551.3000999802. The cubic root of 42919533 is about 350.1211363007.

It can be divided in two parts, 4291 and 9533, that added together give a cube (13824 = 24³).

The spelling of 42919533 in words is "forty-two million, nine hundred nineteen thousand, five hundred thirty-three".