42033013 has 4 divisors (see below), whose sum is σ = 45854208. Its totient is φ = 38211820.

The previous prime is 42033007. The next prime is 42033031. The reversal of 42033013 is 31033024.

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 42033013 - 2¹⁷ = 41901941 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 (42033113) 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, 1910581 + ... + 1910602.

It is an arithmetic number, because the mean of its divisors is an integer number (11463552).

Almost surely, 2^42033013 is an apocalyptic number.

It is an amenable number.

42033013 is a deficient number, since it is larger than the sum of its proper divisors (3821195).

42033013 is a wasteful number, since it uses less digits than its factorization.

42033013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3821194.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 42033013 is about 6483.2872063483. The cubic root of 42033013 is about 347.6937152936.

Adding to 42033013 its reverse (31033024), we get a palindrome (73066037).

It can be divided in two parts, 420 and 33013, that added together give a palindrome (33433).

The spelling of 42033013 in words is "forty-two million, thirty-three thousand, thirteen".