42536343 has 8 divisors (see below), whose sum is σ = 57300208. Its totient is φ = 28065024.

The previous prime is 42536321. The next prime is 42536353. The reversal of 42536343 is 34363524.

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

It is not a de Polignac number, because 42536343 - 2¹² = 42532247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42536343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42536303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72796 + ... + 73377.

It is an arithmetic number, because the mean of its divisors is an integer number (7162526).

Almost surely, 2^42536343 is an apocalyptic number.

42536343 is a deficient number, since it is larger than the sum of its proper divisors (14763865).

42536343 is a wasteful number, since it uses less digits than its factorization.

42536343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146273.

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

The square root of 42536343 is about 6521.9891904234. The cubic root of 42536343 is about 349.0760473903.

Adding to 42536343 its reverse (34363524), we get a palindrome (76899867).

The spelling of 42536343 in words is "forty-two million, five hundred thirty-six thousand, three hundred forty-three".