4538925 has 18 divisors (see below), whose sum is σ = 8130122. Its totient is φ = 2420640.

The previous prime is 4538923. The next prime is 4538939. The reversal of 4538925 is 5298354.

It can be written as a sum of positive squares in 3 ways, for example, as 1542564 + 2996361 = 1242^2 + 1731^2 .

It is not a de Polignac number, because 4538925 - 2¹ = 4538923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4538925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4538923) 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, 9862 + ... + 10311.

Almost surely, 2^4538925 is an apocalyptic number.

4538925 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4538925 is a deficient number, since it is larger than the sum of its proper divisors (3591197).

4538925 is a wasteful number, since it uses less digits than its factorization.

4538925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20189 (or 20181 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 4538925 is about 2130.4752990823. The cubic root of 4538925 is about 165.5710243009.

The spelling of 4538925 in words is "four million, five hundred thirty-eight thousand, nine hundred twenty-five".