42425111 has 8 divisors (see below), whose sum is σ = 42958848. Its totient is φ = 41895000.

The previous prime is 42425093. The next prime is 42425113. The reversal of 42425111 is 11152424.

It is a happy number.

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 42425111 - 2¹⁰ = 42424087 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 (42425113) 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, 28106 + ... + 29576.

It is an arithmetic number, because the mean of its divisors is an integer number (5369856).

Almost surely, 2^42425111 is an apocalyptic number.

42425111 is a deficient number, since it is larger than the sum of its proper divisors (533737).

42425111 is a wasteful number, since it uses less digits than its factorization.

42425111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813.

The product of its digits is 320, while the sum is 20.

The square root of 42425111 is about 6513.4561486203. The cubic root of 42425111 is about 348.7715052921.

Adding to 42425111 its reverse (11152424), we get a palindrome (53577535).

The spelling of 42425111 in words is "forty-two million, four hundred twenty-five thousand, one hundred eleven".