65061163 has 4 divisors (see below), whose sum is σ = 65536200. Its totient is φ = 64586128.

The previous prime is 65061131. The next prime is 65061173. The reversal of 65061163 is 36116056.

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 65061163 - 2⁵ = 65061131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65061173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237313 + ... + 237586.

It is an arithmetic number, because the mean of its divisors is an integer number (16384050).

Almost surely, 2^65061163 is an apocalyptic number.

65061163 is a deficient number, since it is larger than the sum of its proper divisors (475037).

65061163 is a wasteful number, since it uses less digits than its factorization.

65061163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475036.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 65061163 is about 8066.0500246403. The cubic root of 65061163 is about 402.1986489643.

The spelling of 65061163 in words is "sixty-five million, sixty-one thousand, one hundred sixty-three".