4513625 has 8 divisors (see below), whose sum is σ = 5633160. Its totient is φ = 3610800.

The previous prime is 4513609. The next prime is 4513627. The reversal of 4513625 is 5263154.

It can be written as a sum of positive squares in 4 ways, for example, as 120409 + 4393216 = 347^2 + 2096^2 .

It is not a de Polignac number, because 4513625 - 2⁴ = 4513609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4513594 and 4513603.

It is not an unprimeable number, because it can be changed into a prime (4513627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17930 + ... + 18179.

It is an arithmetic number, because the mean of its divisors is an integer number (704145).

Almost surely, 2^4513625 is an apocalyptic number.

It is an amenable number.

4513625 is a deficient number, since it is larger than the sum of its proper divisors (1119535).

4513625 is an equidigital number, since it uses as much as digits as its factorization.

4513625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36124 (or 36114 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 4513625 is about 2124.5293596465. The cubic root of 4513625 is about 165.2628195916.

Adding to 4513625 its reverse (5263154), we get a palindrome (9776779).

The spelling of 4513625 in words is "four million, five hundred thirteen thousand, six hundred twenty-five".