42534111 has 8 divisors (see below), whose sum is σ = 56810160. Its totient is φ = 28307072.

The previous prime is 42534091. The next prime is 42534131. The reversal of 42534111 is 11143524.

It is an interprime number because it is at equal distance from previous prime (42534091) and next prime (42534131).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42534111 - 2¹⁹ = 42009823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42534131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10176 + ... + 13733.

It is an arithmetic number, because the mean of its divisors is an integer number (7101270).

Almost surely, 2^42534111 is an apocalyptic number.

42534111 is a deficient number, since it is larger than the sum of its proper divisors (14276049).

42534111 is a wasteful number, since it uses less digits than its factorization.

42534111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24505.

The product of its digits is 480, while the sum is 21.

The square root of 42534111 is about 6521.8180747396. The cubic root of 42534111 is about 349.0699416204.

Adding to 42534111 its reverse (11143524), we get a palindrome (53677635).

It can be divided in two parts, 42534 and 111, that multiplied together give a palindrome (4721274).

The spelling of 42534111 in words is "forty-two million, five hundred thirty-four thousand, one hundred eleven".