42516343 has 8 divisors (see below), whose sum is σ = 43152912. Its totient is φ = 41884416.

The previous prime is 42516323. The next prime is 42516359. The reversal of 42516343 is 34361524.

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 42516343 - 2²¹ = 40419191 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 (42516323) 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, 20071 + ... + 22087.

It is an arithmetic number, because the mean of its divisors is an integer number (5394114).

Almost surely, 2^42516343 is an apocalyptic number.

42516343 is a deficient number, since it is larger than the sum of its proper divisors (636569).

42516343 is a wasteful number, since it uses less digits than its factorization.

42516343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321.

The product of its digits is 8640, while the sum is 28.

The square root of 42516343 is about 6520.4557356062. The cubic root of 42516343 is about 349.0213285707.

Adding to 42516343 its reverse (34361524), we get a palindrome (76877867).

The spelling of 42516343 in words is "forty-two million, five hundred sixteen thousand, three hundred forty-three".