65332971 has 24 divisors (see below), whose sum is σ = 103721904. Its totient is φ = 39298560.

The previous prime is 65332937. The next prime is 65332987. The reversal of 65332971 is 17923356.

It is not a de Polignac number, because 65332971 - 2⁷ = 65332843 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (65332901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11155 + ... + 15971.

It is an arithmetic number, because the mean of its divisors is an integer number (4321746).

Almost surely, 2^65332971 is an apocalyptic number.

65332971 is a deficient number, since it is larger than the sum of its proper divisors (38388933).

65332971 is a wasteful number, since it uses less digits than its factorization.

65332971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4971 (or 4968 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 65332971 is about 8082.8813550614. The cubic root of 65332971 is about 402.7579633083.

The spelling of 65332971 in words is "sixty-five million, three hundred thirty-two thousand, nine hundred seventy-one".