65601967 has 2 divisors, whose sum is σ = 65601968. Its totient is φ = 65601966.

The previous prime is 65601953. The next prime is 65602001. The reversal of 65601967 is 76910656.

65601967 is nontrivially palindromic in base 4.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65601967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65601937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32800983 + 32800984.

It is an arithmetic number, because the mean of its divisors is an integer number (32800984).

Almost surely, 2^65601967 is an apocalyptic number.

65601967 is a deficient number, since it is larger than the sum of its proper divisors (1).

65601967 is an equidigital number, since it uses as much as digits as its factorization.

65601967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 65601967 is about 8099.5041206237. The cubic root of 65601967 is about 403.3099660134.

The spelling of 65601967 in words is "sixty-five million, six hundred one thousand, nine hundred sixty-seven".