4528289 has 4 divisors (see below), whose sum is σ = 4766640. Its totient is φ = 4289940.

The previous prime is 4528253. The next prime is 4528297. The reversal of 4528289 is 9828254.

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: 9828254 = 2 ⋅4914127.

It is a cyclic number.

It is not a de Polignac number, because 4528289 - 2¹⁶ = 4462753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4528219) 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, 119147 + ... + 119184.

It is an arithmetic number, because the mean of its divisors is an integer number (1191660).

Almost surely, 2^4528289 is an apocalyptic number.

It is an amenable number.

4528289 is a deficient number, since it is larger than the sum of its proper divisors (238351).

4528289 is a wasteful number, since it uses less digits than its factorization.

4528289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238350.

The product of its digits is 46080, while the sum is 38.

The square root of 4528289 is about 2127.9776784544. The cubic root of 4528289 is about 165.4415963910.

The spelling of 4528289 in words is "four million, five hundred twenty-eight thousand, two hundred eighty-nine".