42533911 has 6 divisors (see below), whose sum is σ = 49478280. Its totient is φ = 36457596.

The previous prime is 42533903. The next prime is 42533921. The reversal of 42533911 is 11933524.

It is not a de Polignac number, because 42533911 - 2³ = 42533903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42533911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42533921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 433971 + ... + 434068.

It is an arithmetic number, because the mean of its divisors is an integer number (8246380).

Almost surely, 2^42533911 is an apocalyptic number.

42533911 is a deficient number, since it is larger than the sum of its proper divisors (6944369).

42533911 is an equidigital number, since it uses as much as digits as its factorization.

42533911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868053 (or 868046 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 42533911 is about 6521.8027415738. The cubic root of 42533911 is about 349.0693944980.

The spelling of 42533911 in words is "forty-two million, five hundred thirty-three thousand, nine hundred eleven".