4528745 has 24 divisors (see below), whose sum is σ = 6208776. Its totient is φ = 3151872.

The previous prime is 4528721. The next prime is 4528751. The reversal of 4528745 is 5478254.

It can be written as a sum of positive squares in 4 ways, for example, as 361 + 4528384 = 19^2 + 2128^2 .

It is not a de Polignac number, because 4528745 - 2¹² = 4524649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23369 + ... + 23561.

It is an arithmetic number, because the mean of its divisors is an integer number (258699).

Almost surely, 2^4528745 is an apocalyptic number.

It is an amenable number.

4528745 is a deficient number, since it is larger than the sum of its proper divisors (1680031).

4528745 is a wasteful number, since it uses less digits than its factorization.

4528745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 230 counting only the distinct ones).

The product of its digits is 44800, while the sum is 35.

The square root of 4528745 is about 2128.0848197382. The cubic root of 4528745 is about 165.4471495433.

The spelling of 4528745 in words is "four million, five hundred twenty-eight thousand, seven hundred forty-five".