4528525 has 6 divisors (see below), whose sum is σ = 5615402. Its totient is φ = 3622800.

The previous prime is 4528523. The next prime is 4528529. The reversal of 4528525 is 5258254.

It can be written as a sum of positive squares in 3 ways, for example, as 8649 + 4519876 = 93^2 + 2126^2 .

It is not a de Polignac number, because 4528525 - 2¹ = 4528523 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 (4528523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90546 + ... + 90595.

Almost surely, 2^4528525 is an apocalyptic number.

It is an amenable number.

4528525 is a deficient number, since it is larger than the sum of its proper divisors (1086877).

4528525 is a wasteful number, since it uses less digits than its factorization.

4528525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181151 (or 181146 counting only the distinct ones).

The product of its digits is 16000, while the sum is 31.

The square root of 4528525 is about 2128.0331294414. The cubic root of 4528525 is about 165.4444704374. Note that the first 4 decimals are identical.

It can be divided in two parts, 4 and 528525, that added together give a square (528529 = 727²).

The spelling of 4528525 in words is "four million, five hundred twenty-eight thousand, five hundred twenty-five".