64529 has 4 divisors (see below), whose sum is σ = 65076. Its totient is φ = 63984.

The previous prime is 64513. The next prime is 64553. The reversal of 64529 is 92546.

64529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 92546 = 2 ⋅46273.

It can be written as a sum of positive squares in 2 ways, for example, as 48400 + 16129 = 220^2 + 127^2 .

It is a cyclic number.

It is not a de Polignac number, because 64529 - 2⁴ = 64513 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 64498 and 64507.

It is not an unprimeable number, because it can be changed into a prime (64579) 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, 14 + ... + 359.

It is an arithmetic number, because the mean of its divisors is an integer number (16269).

2⁶⁴⁵²⁹ is an apocalyptic number.

It is an amenable number.

64529 is a deficient number, since it is larger than the sum of its proper divisors (547).

64529 is a wasteful number, since it uses less digits than its factorization.

64529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546.

The product of its digits is 2160, while the sum is 26.

The square root of 64529 is about 254.0255892622. The cubic root of 64529 is about 40.1099060731.

It can be divided in two parts, 64 and 529, that multiplied together give a square (33856 = 184²).

The spelling of 64529 in words is "sixty-four thousand, five hundred twenty-nine".