4538043225 has 63 divisors (see below), whose sum is σ = 8453842383. Its totient is φ = 2415439440.

The previous prime is 4538043199. The next prime is 4538043241. The reversal of 4538043225 is 5223408354.

The square root of 4538043225 is 67365.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1633695561 + 2904347664 = 40419^2 + 53892^2 .

It is not a de Polignac number, because 4538043225 - 2⁵ = 4538043193 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4538043225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 9094026 + ... + 9094524.

Almost surely, 2^4538043225 is an apocalyptic number.

4538043225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4538043225 is the 67365-th square number.

4538043225 is the 33683-rd centered octagonal number.

It is an amenable number.

4538043225 is a deficient number, since it is larger than the sum of its proper divisors (3915799158).

4538043225 is an frugal number, since it uses more digits than its factorization.

4538043225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The cubic root of 4538043225 is about 1655.6030180270.

Multiplying 4538043225 by its sum of digits (36), we get a square (163369556100 = 404190²).

The spelling of 4538043225 in words is "four billion, five hundred thirty-eight million, forty-three thousand, two hundred twenty-five".