65304977 has 2 divisors, whose sum is σ = 65304978. Its totient is φ = 65304976.

The previous prime is 65304971. The next prime is 65304979. The reversal of 65304977 is 77940356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49056016 + 16248961 = 7004^2 + 4031^2 .

It is a cyclic number.

It is not a de Polignac number, because 65304977 - 2⁴ = 65304961 is a prime.

Together with 65304979, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65304971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32652488 + 32652489.

It is an arithmetic number, because the mean of its divisors is an integer number (32652489).

Almost surely, 2^65304977 is an apocalyptic number.

It is an amenable number.

65304977 is a deficient number, since it is larger than the sum of its proper divisors (1).

65304977 is an equidigital number, since it uses as much as digits as its factorization.

65304977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 65304977 is about 8081.1494850671. The cubic root of 65304977 is about 402.7004302487.

The spelling of 65304977 in words is "sixty-five million, three hundred four thousand, nine hundred seventy-seven".