42466147 has 2 divisors, whose sum is σ = 42466148. Its totient is φ = 42466146.

The previous prime is 42466111. The next prime is 42466163. The reversal of 42466147 is 74166424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42466147 - 2⁷ = 42466019 is a prime.

It is not a weakly prime, because it can be changed into another prime (42466247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21233073 + 21233074.

It is an arithmetic number, because the mean of its divisors is an integer number (21233074).

Almost surely, 2^42466147 is an apocalyptic number.

42466147 is a deficient number, since it is larger than the sum of its proper divisors (1).

42466147 is an equidigital number, since it uses as much as digits as its factorization.

42466147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 34.

The square root of 42466147 is about 6516.6054813837. The cubic root of 42466147 is about 348.8839196548.

It can be divided in two parts, 4246 and 6147, that multiplied together give a palindrome (26100162).

The spelling of 42466147 in words is "forty-two million, four hundred sixty-six thousand, one hundred forty-seven".