65242163 has 4 divisors (see below), whose sum is σ = 74562480. Its totient is φ = 55921848.

The previous prime is 65242159. The next prime is 65242171. The reversal of 65242163 is 36124256.

65242163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65242163 - 2² = 65242159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65244163) 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 3 ways as a sum of consecutive naturals, for example, 4660148 + ... + 4660161.

It is an arithmetic number, because the mean of its divisors is an integer number (18640620).

Almost surely, 2^65242163 is an apocalyptic number.

65242163 is a deficient number, since it is larger than the sum of its proper divisors (9320317).

65242163 is an equidigital number, since it uses as much as digits as its factorization.

65242163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9320316.

The product of its digits is 8640, while the sum is 29.

The square root of 65242163 is about 8077.2620980132. The cubic root of 65242163 is about 402.5712755224.

The spelling of 65242163 in words is "sixty-five million, two hundred forty-two thousand, one hundred sixty-three".