65563607 has 2 divisors, whose sum is σ = 65563608. Its totient is φ = 65563606.

The previous prime is 65563579. The next prime is 65563621. The reversal of 65563607 is 70636556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65563607 - 2²⁴ = 48786391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65563657) 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, 32781803 + 32781804.

It is an arithmetic number, because the mean of its divisors is an integer number (32781804).

Almost surely, 2^65563607 is an apocalyptic number.

65563607 is a deficient number, since it is larger than the sum of its proper divisors (1).

65563607 is an equidigital number, since it uses as much as digits as its factorization.

65563607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 65563607 is about 8097.1357281449. The cubic root of 65563607 is about 403.2313403894.

The spelling of 65563607 in words is "sixty-five million, five hundred sixty-three thousand, six hundred seven".