4540738225 has 9 divisors (see below), whose sum is σ = 5630933217. Its totient is φ = 3632321040.

The previous prime is 4540738219. The next prime is 4540738229. The reversal of 4540738225 is 5228370454.

The square root of 4540738225 is 67385.

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

It can be written as a sum of positive squares in 4 ways, for example, as 10909809 + 4529828416 = 3303^2 + 67304^2 .

It is not a de Polignac number, because 4540738225 - 2¹¹ = 4540736177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4540738229) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 330187 + ... + 343663.

Almost surely, 2^4540738225 is an apocalyptic number.

4540738225 is the 67385-th square number.

4540738225 is the 33693-rd centered octagonal number.

It is an amenable number.

4540738225 is a deficient number, since it is larger than the sum of its proper divisors (1090194992).

4540738225 is an frugal number, since it uses more digits than its factorization.

4540738225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26964 (or 13482 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 40.

The cubic root of 4540738225 is about 1655.9306898856.

The spelling of 4540738225 in words is "four billion, five hundred forty million, seven hundred thirty-eight thousand, two hundred twenty-five".