4528663 has 4 divisors (see below), whose sum is σ = 4605480. Its totient is φ = 4451848.

The previous prime is 4528661. The next prime is 4528679. The reversal of 4528663 is 3668254.

It is a happy number.

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 4528663 - 2¹ = 4528661 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 (4528661) 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, 38320 + ... + 38437.

It is an arithmetic number, because the mean of its divisors is an integer number (1151370).

Almost surely, 2^4528663 is an apocalyptic number.

4528663 is a deficient number, since it is larger than the sum of its proper divisors (76817).

4528663 is an equidigital number, since it uses as much as digits as its factorization.

4528663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76816.

The product of its digits is 34560, while the sum is 34.

The square root of 4528663 is about 2128.0655535016. The cubic root of 4528663 is about 165.4461509776.

The spelling of 4528663 in words is "four million, five hundred twenty-eight thousand, six hundred sixty-three".