42526111 has 2 divisors, whose sum is σ = 42526112. Its totient is φ = 42526110.

The previous prime is 42526109. The next prime is 42526139. The reversal of 42526111 is 11162524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42526111 - 2¹ = 42526109 is a prime.

Together with 42526109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42526171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21263055 + 21263056.

It is an arithmetic number, because the mean of its divisors is an integer number (21263056).

Almost surely, 2^42526111 is an apocalyptic number.

42526111 is a deficient number, since it is larger than the sum of its proper divisors (1).

42526111 is an equidigital number, since it uses as much as digits as its factorization.

42526111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 22.

The square root of 42526111 is about 6521.2047199885. The cubic root of 42526111 is about 349.0480553855.

Adding to 42526111 its reverse (11162524), we get a palindrome (53688635).

The spelling of 42526111 in words is "forty-two million, five hundred twenty-six thousand, one hundred eleven".