64651207 has 2 divisors, whose sum is σ = 64651208. Its totient is φ = 64651206.

The previous prime is 64651201. The next prime is 64651241. The reversal of 64651207 is 70215646.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64651207 - 2¹⁵ = 64618439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64651201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32325603 + 32325604.

It is an arithmetic number, because the mean of its divisors is an integer number (32325604).

Almost surely, 2^64651207 is an apocalyptic number.

64651207 is a deficient number, since it is larger than the sum of its proper divisors (1).

64651207 is an equidigital number, since it uses as much as digits as its factorization.

64651207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 64651207 is about 8040.5974280522. The cubic root of 64651207 is about 401.3521056261.

The spelling of 64651207 in words is "sixty-four million, six hundred fifty-one thousand, two hundred seven".