65480971 has 2 divisors, whose sum is σ = 65480972. Its totient is φ = 65480970.

The previous prime is 65480953. The next prime is 65480993. The reversal of 65480971 is 17908456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65480971 - 2⁵ = 65480939 is a prime.

It is not a weakly prime, because it can be changed into another prime (65480671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32740485 + 32740486.

It is an arithmetic number, because the mean of its divisors is an integer number (32740486).

Almost surely, 2^65480971 is an apocalyptic number.

65480971 is a deficient number, since it is larger than the sum of its proper divisors (1).

65480971 is an equidigital number, since it uses as much as digits as its factorization.

65480971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 65480971 is about 8092.0313271761. The cubic root of 65480971 is about 403.0618589969.

The spelling of 65480971 in words is "sixty-five million, four hundred eighty thousand, nine hundred seventy-one".