65240207 has 2 divisors, whose sum is σ = 65240208. Its totient is φ = 65240206.

The previous prime is 65240177. The next prime is 65240209. The reversal of 65240207 is 70204256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65240207 - 2²⁴ = 48462991 is a prime.

Together with 65240209, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65240209) 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, 32620103 + 32620104.

It is an arithmetic number, because the mean of its divisors is an integer number (32620104).

Almost surely, 2^65240207 is an apocalyptic number.

65240207 is a deficient number, since it is larger than the sum of its proper divisors (1).

65240207 is an equidigital number, since it uses as much as digits as its factorization.

65240207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 65240207 is about 8077.1410164736. The cubic root of 65240207 is about 402.5672523711.

The spelling of 65240207 in words is "sixty-five million, two hundred forty thousand, two hundred seven".