4558725 has 18 divisors (see below), whose sum is σ = 8165586. Its totient is φ = 2431200.

The previous prime is 4558721. The next prime is 4558739. The reversal of 4558725 is 5278554.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 34596 + 4524129 = 186^2 + 2127^2 .

It is not a de Polignac number, because 4558725 - 2² = 4558721 is a prime.

4558725 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4558725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4558721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9906 + ... + 10355.

Almost surely, 2^4558725 is an apocalyptic number.

4558725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4558725 is a deficient number, since it is larger than the sum of its proper divisors (3606861).

4558725 is a wasteful number, since it uses less digits than its factorization.

4558725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20277 (or 20269 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 4558725 is about 2135.1170928078. The cubic root of 4558725 is about 165.8114300395.

It can be divided in two parts, 455 and 8725, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 4558725 in words is "four million, five hundred fifty-eight thousand, seven hundred twenty-five".