64481063 has 2 divisors, whose sum is σ = 64481064. Its totient is φ = 64481062.

The previous prime is 64481057. The next prime is 64481071. The reversal of 64481063 is 36018446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64481063 - 2¹⁴ = 64464679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64481033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32240531 + 32240532.

It is an arithmetic number, because the mean of its divisors is an integer number (32240532).

Almost surely, 2^64481063 is an apocalyptic number.

64481063 is a deficient number, since it is larger than the sum of its proper divisors (1).

64481063 is an equidigital number, since it uses as much as digits as its factorization.

64481063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 64481063 is about 8030.0101494332. The cubic root of 64481063 is about 400.9997139319. Note that the first 3 decimals are identical.

The spelling of 64481063 in words is "sixty-four million, four hundred eighty-one thousand, sixty-three".