64613267 has 2 divisors, whose sum is σ = 64613268. Its totient is φ = 64613266.

The previous prime is 64613257. The next prime is 64613291. The reversal of 64613267 is 76231646.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64613267 is a prime.

It is not a weakly prime, because it can be changed into another prime (64613257) 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, 32306633 + 32306634.

It is an arithmetic number, because the mean of its divisors is an integer number (32306634).

Almost surely, 2^64613267 is an apocalyptic number.

64613267 is a deficient number, since it is larger than the sum of its proper divisors (1).

64613267 is an equidigital number, since it uses as much as digits as its factorization.

64613267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 35.

The square root of 64613267 is about 8038.2378043947. The cubic root of 64613267 is about 401.2735802630.

The spelling of 64613267 in words is "sixty-four million, six hundred thirteen thousand, two hundred sixty-seven".