4523625 has 24 divisors (see below), whose sum is σ = 8156616. Its totient is φ = 2412000.

The previous prime is 4523621. The next prime is 4523633. The reversal of 4523625 is 5263254.

It can be written as a sum of positive squares in 4 ways, for example, as 974169 + 3549456 = 987^2 + 1884^2 .

It is not a de Polignac number, because 4523625 - 2² = 4523621 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁷ + 5⁸ + 2²⁰ + 3⁹ + 6⁶ + 2²⁰ + 5⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4523621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 886 + ... + 3135.

It is an arithmetic number, because the mean of its divisors is an integer number (339859).

Almost surely, 2^4523625 is an apocalyptic number.

4523625 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4523625 is a deficient number, since it is larger than the sum of its proper divisors (3632991).

4523625 is a wasteful number, since it uses less digits than its factorization.

4523625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4042 (or 4029 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 4523625 is about 2126.8815199724. The cubic root of 4523625 is about 165.3847769409.

Adding to 4523625 its reverse (5263254), we get a palindrome (9786879).

The spelling of 4523625 in words is "four million, five hundred twenty-three thousand, six hundred twenty-five".