4638529 has 4 divisors (see below), whose sum is σ = 5301184. Its totient is φ = 3975876.

The previous prime is 4638511. The next prime is 4638533. The reversal of 4638529 is 9258364.

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 4638529 - 2⁹ = 4638017 is a prime.

It is a d-powerful number, because it can be written as 4¹¹ + 6⁷ + 3⁵ + 8⁵ + 5³ + 2¹⁷ + 9² .

It is not an unprimeable number, because it can be changed into a prime (4638509) 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, 331317 + ... + 331330.

It is an arithmetic number, because the mean of its divisors is an integer number (1325296).

Almost surely, 2^4638529 is an apocalyptic number.

It is an amenable number.

4638529 is a deficient number, since it is larger than the sum of its proper divisors (662655).

4638529 is an equidigital number, since it uses as much as digits as its factorization.

4638529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662654.

The product of its digits is 51840, while the sum is 37.

The square root of 4638529 is about 2153.7244484845. The cubic root of 4638529 is about 166.7733907563.

The spelling of 4638529 in words is "four million, six hundred thirty-eight thousand, five hundred twenty-nine".