42386611 has 2 divisors, whose sum is σ = 42386612. Its totient is φ = 42386610.

The previous prime is 42386609. The next prime is 42386629. The reversal of 42386611 is 11668324.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42386611 - 2¹ = 42386609 is a prime.

Together with 42386609, it forms a pair of twin primes.

It is the 6511-st Hogben number.

It is not a weakly prime, because it can be changed into another prime (42386651) by changing a digit.

It is a nontrivial repunit in base 6510.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21193305 + 21193306.

It is an arithmetic number, because the mean of its divisors is an integer number (21193306).

Almost surely, 2^42386611 is an apocalyptic number.

42386611 is a deficient number, since it is larger than the sum of its proper divisors (1).

42386611 is an equidigital number, since it uses as much as digits as its factorization.

42386611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 42386611 is about 6510.5000575993. The cubic root of 42386611 is about 348.6659721421.

The spelling of 42386611 in words is "forty-two million, three hundred eighty-six thousand, six hundred eleven".