64529063 has 4 divisors (see below), whose sum is σ = 64813560. Its totient is φ = 64244568.

The previous prime is 64529057. The next prime is 64529071. The reversal of 64529063 is 36092546.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64529063 - 2²² = 60334759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64529083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141908 + ... + 142361.

It is an arithmetic number, because the mean of its divisors is an integer number (16203390).

Almost surely, 2^64529063 is an apocalyptic number.

64529063 is a deficient number, since it is larger than the sum of its proper divisors (284497).

64529063 is a wasteful number, since it uses less digits than its factorization.

64529063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284496.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 64529063 is about 8032.9983816754. The cubic root of 64529063 is about 401.0991912629.

The spelling of 64529063 in words is "sixty-four million, five hundred twenty-nine thousand, sixty-three".