64240063 has 2 divisors, whose sum is σ = 64240064. Its totient is φ = 64240062.

The previous prime is 64240061. The next prime is 64240067. The reversal of 64240063 is 36004246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64240063 - 2¹ = 64240061 is a prime.

Together with 64240061, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64240061) 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, 32120031 + 32120032.

It is an arithmetic number, because the mean of its divisors is an integer number (32120032).

Almost surely, 2^64240063 is an apocalyptic number.

64240063 is a deficient number, since it is larger than the sum of its proper divisors (1).

64240063 is an equidigital number, since it uses as much as digits as its factorization.

64240063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 64240063 is about 8014.9898939425. The cubic root of 64240063 is about 400.4995072217.

The spelling of 64240063 in words is "sixty-four million, two hundred forty thousand, sixty-three".