42025111 has 2 divisors, whose sum is σ = 42025112. Its totient is φ = 42025110.

The previous prime is 42025079. The next prime is 42025127. The reversal of 42025111 is 11152024.

It is an a-pointer prime, because the next prime (42025127) can be obtained adding 42025111 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42025111 - 2⁵ = 42025079 is a prime.

It is a super-2 number, since 2×42025111² = 3532219909124642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42022111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21012555 + 21012556.

It is an arithmetic number, because the mean of its divisors is an integer number (21012556).

Almost surely, 2^42025111 is an apocalyptic number.

42025111 is a deficient number, since it is larger than the sum of its proper divisors (1).

42025111 is an equidigital number, since it uses as much as digits as its factorization.

42025111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 42025111 is about 6482.6777646278. The cubic root of 42025111 is about 347.6719256912.

Adding to 42025111 its reverse (11152024), we get a palindrome (53177135).

The spelling of 42025111 in words is "forty-two million, twenty-five thousand, one hundred eleven".