42534911 has 4 divisors (see below), whose sum is σ = 42805992. Its totient is φ = 42263832.

The previous prime is 42534907. The next prime is 42534931. The reversal of 42534911 is 11943524.

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 42534911 - 2² = 42534907 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 (42534931) 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, 135305 + ... + 135618.

It is an arithmetic number, because the mean of its divisors is an integer number (10701498).

Almost surely, 2^42534911 is an apocalyptic number.

42534911 is a deficient number, since it is larger than the sum of its proper divisors (271081).

42534911 is a wasteful number, since it uses less digits than its factorization.

42534911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271080.

The product of its digits is 4320, while the sum is 29.

The square root of 42534911 is about 6521.8794070421. The cubic root of 42534911 is about 349.0721300929.

The spelling of 42534911 in words is "forty-two million, five hundred thirty-four thousand, nine hundred eleven".