4528789 has 4 divisors (see below), whose sum is σ = 4539456. Its totient is φ = 4518124.

The previous prime is 4528787. The next prime is 4528813. The reversal of 4528789 is 9878254.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9878254 = 2 ⋅4939127.

It is a cyclic number.

It is not a de Polignac number, because 4528789 - 2¹ = 4528787 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 (4528787) 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, 4669 + ... + 5554.

It is an arithmetic number, because the mean of its divisors is an integer number (1134864).

Almost surely, 2^4528789 is an apocalyptic number.

It is an amenable number.

4528789 is a deficient number, since it is larger than the sum of its proper divisors (10667).

4528789 is a wasteful number, since it uses less digits than its factorization.

4528789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10666.

The product of its digits is 161280, while the sum is 43.

The square root of 4528789 is about 2128.0951576469. The cubic root of 4528789 is about 165.4476853541.

The spelling of 4528789 in words is "four million, five hundred twenty-eight thousand, seven hundred eighty-nine".