42860033 has 4 divisors (see below), whose sum is σ = 42904020. Its totient is φ = 42816048.

The previous prime is 42860021. The next prime is 42860053. The reversal of 42860033 is 33006824.

42860033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 29073664 + 13786369 = 5392^2 + 3713^2 .

It is a cyclic number.

It is not a de Polignac number, because 42860033 - 2⁶ = 42859969 is a prime.

It is a super-2 number, since 2×42860033² = 3673964857522178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42859984 and 42860011.

It is not an unprimeable number, because it can be changed into a prime (42860053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20498 + ... + 22491.

It is an arithmetic number, because the mean of its divisors is an integer number (10726005).

Almost surely, 2^42860033 is an apocalyptic number.

It is an amenable number.

42860033 is a deficient number, since it is larger than the sum of its proper divisors (43987).

42860033 is an equidigital number, since it uses as much as digits as its factorization.

42860033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43986.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 42860033 is about 6546.7574416653. The cubic root of 42860033 is about 349.9592687295.

Adding to 42860033 its reverse (33006824), we get a palindrome (75866857).

The spelling of 42860033 in words is "forty-two million, eight hundred sixty thousand, thirty-three".