65108971 has 2 divisors, whose sum is σ = 65108972. Its totient is φ = 65108970.

The previous prime is 65108969. The next prime is 65108983. The reversal of 65108971 is 17980156.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65108971 - 2¹ = 65108969 is a prime.

Together with 65108969, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 65108971.

It is not a weakly prime, because it can be changed into another prime (65108921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32554485 + 32554486.

It is an arithmetic number, because the mean of its divisors is an integer number (32554486).

Almost surely, 2^65108971 is an apocalyptic number.

65108971 is a deficient number, since it is larger than the sum of its proper divisors (1).

65108971 is an equidigital number, since it uses as much as digits as its factorization.

65108971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 65108971 is about 8069.0130127544. The cubic root of 65108971 is about 402.2971388790.

The spelling of 65108971 in words is "sixty-five million, one hundred eight thousand, nine hundred seventy-one".