42881833 has 4 divisors (see below), whose sum is σ = 42900480. Its totient is φ = 42863188.

The previous prime is 42881819. The next prime is 42881899. The reversal of 42881833 is 33818824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42881833 - 2⁵ = 42881801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42881792 and 42881801.

It is not an unprimeable number, because it can be changed into a prime (42881533) 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, 5293 + ... + 10666.

It is an arithmetic number, because the mean of its divisors is an integer number (10725120).

Almost surely, 2^42881833 is an apocalyptic number.

It is an amenable number.

42881833 is a deficient number, since it is larger than the sum of its proper divisors (18647).

42881833 is a wasteful number, since it uses less digits than its factorization.

42881833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18646.

The product of its digits is 36864, while the sum is 37.

The square root of 42881833 is about 6548.4221763720. The cubic root of 42881833 is about 350.0185922096.

The spelling of 42881833 in words is "forty-two million, eight hundred eighty-one thousand, eight hundred thirty-three".