42316511 has 4 divisors (see below), whose sum is σ = 43033800. Its totient is φ = 41599224.

The previous prime is 42316507. The next prime is 42316513. The reversal of 42316511 is 11561324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42316511 - 2² = 42316507 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 (42316513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358556 + ... + 358673.

It is an arithmetic number, because the mean of its divisors is an integer number (10758450).

Almost surely, 2^42316511 is an apocalyptic number.

42316511 is a deficient number, since it is larger than the sum of its proper divisors (717289).

42316511 is an equidigital number, since it uses as much as digits as its factorization.

42316511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717288.

The product of its digits is 720, while the sum is 23.

The square root of 42316511 is about 6505.1142188281. The cubic root of 42316511 is about 348.4736553512.

Adding to 42316511 its reverse (11561324), we get a palindrome (53877835).

The spelling of 42316511 in words is "forty-two million, three hundred sixteen thousand, five hundred eleven".