65317673 has 2 divisors, whose sum is σ = 65317674. Its totient is φ = 65317672.

The previous prime is 65317669. The next prime is 65317711. The reversal of 65317673 is 37671356.

It is an a-pointer prime, because the next prime (65317711) can be obtained adding 65317673 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60264169 + 5053504 = 7763^2 + 2248^2 .

It is a cyclic number.

It is not a de Polignac number, because 65317673 - 2² = 65317669 is a prime.

It is a super-2 number, since 2×65317673² = 8532796812269858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65317613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32658836 + 32658837.

It is an arithmetic number, because the mean of its divisors is an integer number (32658837).

Almost surely, 2^65317673 is an apocalyptic number.

It is an amenable number.

65317673 is a deficient number, since it is larger than the sum of its proper divisors (1).

65317673 is an equidigital number, since it uses as much as digits as its factorization.

65317673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79380, while the sum is 38.

The square root of 65317673 is about 8081.9349787040. The cubic root of 65317673 is about 402.7265250100.

The spelling of 65317673 in words is "sixty-five million, three hundred seventeen thousand, six hundred seventy-three".