65398967 has 2 divisors, whose sum is σ = 65398968. Its totient is φ = 65398966.

The previous prime is 65398961. The next prime is 65398997. The reversal of 65398967 is 76989356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65398967 - 2¹² = 65394871 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65398961) 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 as a sum of consecutive naturals, namely, 32699483 + 32699484.

It is an arithmetic number, because the mean of its divisors is an integer number (32699484).

Almost surely, 2^65398967 is an apocalyptic number.

65398967 is a deficient number, since it is larger than the sum of its proper divisors (1).

65398967 is an equidigital number, since it uses as much as digits as its factorization.

65398967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 53.

The square root of 65398967 is about 8086.9627796843. The cubic root of 65398967 is about 402.8935327822.

The spelling of 65398967 in words is "sixty-five million, three hundred ninety-eight thousand, nine hundred sixty-seven".