18064529 has 4 divisors (see below), whose sum is σ = 20645184. Its totient is φ = 15483876.

The previous prime is 18064517. The next prime is 18064549. The reversal of 18064529 is 92546081.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 18064529 - 2⁴ = 18064513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18064549) 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, 1290317 + ... + 1290330.

It is an arithmetic number, because the mean of its divisors is an integer number (5161296).

Almost surely, 2^18064529 is an apocalyptic number.

It is an amenable number.

18064529 is a deficient number, since it is larger than the sum of its proper divisors (2580655).

18064529 is an equidigital number, since it uses as much as digits as its factorization.

18064529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580654.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 18064529 is about 4250.2386991791. The cubic root of 18064529 is about 262.3869396710.

The spelling of 18064529 in words is "eighteen million, sixty-four thousand, five hundred twenty-nine".