42316133 has 4 divisors (see below), whose sum is σ = 43775340. Its totient is φ = 40856928.

The previous prime is 42316117. The next prime is 42316151. The reversal of 42316133 is 33161324.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18335524 + 23980609 = 4282^2 + 4897^2 .

It is a cyclic number.

It is not a de Polignac number, because 42316133 - 2⁴ = 42316117 is a prime.

It is a super-2 number, since 2×42316133² = 3581310224147378, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42316099 and 42316108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42316103) 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, 729560 + ... + 729617.

It is an arithmetic number, because the mean of its divisors is an integer number (10943835).

Almost surely, 2^42316133 is an apocalyptic number.

It is an amenable number.

42316133 is a deficient number, since it is larger than the sum of its proper divisors (1459207).

42316133 is a wasteful number, since it uses less digits than its factorization.

42316133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459206.

The product of its digits is 1296, while the sum is 23.

The square root of 42316133 is about 6505.0851647000. The cubic root of 42316133 is about 348.4726177465.

Adding to 42316133 its reverse (33161324), we get a palindrome (75477457).

The spelling of 42316133 in words is "forty-two million, three hundred sixteen thousand, one hundred thirty-three".