42259111 has 4 divisors (see below), whose sum is σ = 42889912. Its totient is φ = 41628312.

The previous prime is 42259081. The next prime is 42259121. The reversal of 42259111 is 11195224.

It is a happy number.

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 42259111 - 2⁵ = 42259079 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 (42259121) 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, 315300 + ... + 315433.

It is an arithmetic number, because the mean of its divisors is an integer number (10722478).

Almost surely, 2^42259111 is an apocalyptic number.

42259111 is a deficient number, since it is larger than the sum of its proper divisors (630801).

42259111 is an equidigital number, since it uses as much as digits as its factorization.

42259111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630800.

The product of its digits is 720, while the sum is 25.

The square root of 42259111 is about 6500.7008083744. The cubic root of 42259111 is about 348.3160223280.

The spelling of 42259111 in words is "forty-two million, two hundred fifty-nine thousand, one hundred eleven".