42057033 has 4 divisors (see below), whose sum is σ = 56076048. Its totient is φ = 28038020.

The previous prime is 42057019. The next prime is 42057073. The reversal of 42057033 is 33075024.

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 42057033 - 2⁴ = 42057017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42056994 and 42057012.

It is not an unprimeable number, because it can be changed into a prime (42057073) 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, 7009503 + ... + 7009508.

It is an arithmetic number, because the mean of its divisors is an integer number (14019012).

Almost surely, 2^42057033 is an apocalyptic number.

It is an amenable number.

42057033 is a deficient number, since it is larger than the sum of its proper divisors (14019015).

42057033 is a wasteful number, since it uses less digits than its factorization.

42057033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14019014.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 42057033 is about 6485.1393971140. The cubic root of 42057033 is about 347.7599331868.

Subtracting from 42057033 its reverse (33075024), we obtain a square (8982009 = 2997²).

The spelling of 42057033 in words is "forty-two million, fifty-seven thousand, thirty-three".