42351165 has 96 divisors (see below), whose sum is σ = 84913920. Its totient is φ = 19396608.

The previous prime is 42351161. The next prime is 42351167. The reversal of 42351165 is 56115324.

42351165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42351165 - 2² = 42351161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42351161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 510214 + ... + 510296.

It is an arithmetic number, because the mean of its divisors is an integer number (884520).

Almost surely, 2^42351165 is an apocalyptic number.

42351165 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42351165 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

42351165 is a wasteful number, since it uses less digits than its factorization.

42351165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 160 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 42351165 is about 6507.7772703128. Note that the first 3 decimals coincide. The cubic root of 42351165 is about 348.5687538587.

Adding to 42351165 its reverse (56115324), we get a palindrome (98466489).

The spelling of 42351165 in words is "forty-two million, three hundred fifty-one thousand, one hundred sixty-five".