42130033 has 4 divisors (see below), whose sum is σ = 45960048. Its totient is φ = 38300020.

The previous prime is 42130021. The next prime is 42130061. The reversal of 42130033 is 33003124.

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 de Polignac number, because none of the positive numbers 2^k-42130033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42129989 and 42130016.

It is not an unprimeable number, because it can be changed into a prime (42130133) 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, 1914991 + ... + 1915012.

It is an arithmetic number, because the mean of its divisors is an integer number (11490012).

Almost surely, 2^42130033 is an apocalyptic number.

It is an amenable number.

42130033 is a deficient number, since it is larger than the sum of its proper divisors (3830015).

42130033 is a wasteful number, since it uses less digits than its factorization.

42130033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830014.

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

The square root of 42130033 is about 6490.7652091260. The cubic root of 42130033 is about 347.9610236217.

Adding to 42130033 its reverse (33003124), we get a palindrome (75133157).

The spelling of 42130033 in words is "forty-two million, one hundred thirty thousand, thirty-three".