42027113 has 2 divisors, whose sum is σ = 42027114. Its totient is φ = 42027112.

The previous prime is 42027059. The next prime is 42027149. The reversal of 42027113 is 31172024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30824704 + 11202409 = 5552^2 + 3347^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42027113 is a prime.

It is a super-2 number, since 2×42027113² = 3532556454229538, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (42227113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21013556 + 21013557.

It is an arithmetic number, because the mean of its divisors is an integer number (21013557).

Almost surely, 2^42027113 is an apocalyptic number.

It is an amenable number.

42027113 is a deficient number, since it is larger than the sum of its proper divisors (1).

42027113 is an equidigital number, since it uses as much as digits as its factorization.

42027113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 42027113 is about 6482.8321742893. The cubic root of 42027113 is about 347.6774464233.

Adding to 42027113 its reverse (31172024), we get a palindrome (73199137).

The spelling of 42027113 in words is "forty-two million, twenty-seven thousand, one hundred thirteen".