4543525 has 18 divisors (see below), whose sum is σ = 6555570. Its totient is φ = 3114720.

The previous prime is 4543523. The next prime is 4543543. The reversal of 4543525 is 5253454.

It can be written as a sum of positive squares in 3 ways, for example, as 74529 + 4468996 = 273^2 + 2114^2 .

It is not a de Polignac number, because 4543525 - 2¹ = 4543523 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4543493 and 4543502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4543523) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 630 + ... + 3079.

Almost surely, 2^4543525 is an apocalyptic number.

It is an amenable number.

4543525 is a deficient number, since it is larger than the sum of its proper divisors (2012045).

4543525 is a wasteful number, since it uses less digits than its factorization.

4543525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733 (or 3721 counting only the distinct ones).

The product of its digits is 12000, while the sum is 28.

The square root of 4543525 is about 2131.5545970019. The cubic root of 4543525 is about 165.6269383896.

Adding to 4543525 its reverse (5253454), we get a palindrome (9796979).

The spelling of 4543525 in words is "four million, five hundred forty-three thousand, five hundred twenty-five".