42533943 has 4 divisors (see below), whose sum is σ = 56711928. Its totient is φ = 28355960.

The previous prime is 42533941. The next prime is 42533963. The reversal of 42533943 is 34933524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42533943 - 2¹ = 42533941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42533941) 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, 7088988 + ... + 7088993.

It is an arithmetic number, because the mean of its divisors is an integer number (14177982).

Almost surely, 2^42533943 is an apocalyptic number.

42533943 is a deficient number, since it is larger than the sum of its proper divisors (14177985).

42533943 is a wasteful number, since it uses less digits than its factorization.

42533943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14177984.

The product of its digits is 38880, while the sum is 33.

The square root of 42533943 is about 6521.8051948828. The cubic root of 42533943 is about 349.0694820377.

The spelling of 42533943 in words is "forty-two million, five hundred thirty-three thousand, nine hundred forty-three".