42634533 has 12 divisors (see below), whose sum is σ = 57306048. Its totient is φ = 28194480.

The previous prime is 42634531. The next prime is 42634541. The reversal of 42634533 is 33543624.

It is not a de Polignac number, because 42634533 - 2¹ = 42634531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42634533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42634531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157188 + ... + 157458.

It is an arithmetic number, because the mean of its divisors is an integer number (4775504).

Almost surely, 2^42634533 is an apocalyptic number.

It is an amenable number.

42634533 is a deficient number, since it is larger than the sum of its proper divisors (14671515).

42634533 is an equidigital number, since it uses as much as digits as its factorization.

42634533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732 (or 503 counting only the distinct ones).

The product of its digits is 25920, while the sum is 30.

The square root of 42634533 is about 6529.5124626575. The cubic root of 42634533 is about 349.3444409146.

Subtracting from 42634533 its reverse (33543624), we obtain a palindrome (9090909).

The spelling of 42634533 in words is "forty-two million, six hundred thirty-four thousand, five hundred thirty-three".