4518727225 has 6 divisors (see below), whose sum is σ = 5603221790. Its totient is φ = 3614981760.

The previous prime is 4518727201. The next prime is 4518727243. The reversal of 4518727225 is 5227278154.

It can be written as a sum of positive squares in 3 ways, for example, as 670758201 + 3847969024 = 25899^2 + 62032^2 .

It is not a de Polignac number, because 4518727225 - 2¹⁷ = 4518596153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90374520 + ... + 90374569.

Almost surely, 2^4518727225 is an apocalyptic number.

It is an amenable number.

4518727225 is a deficient number, since it is larger than the sum of its proper divisors (1084494565).

4518727225 is a wasteful number, since it uses less digits than its factorization.

4518727225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180749099 (or 180749094 counting only the distinct ones).

The product of its digits is 313600, while the sum is 43.

The square root of 4518727225 is about 67221.4788962576. The cubic root of 4518727225 is about 1653.2506745723.

The spelling of 4518727225 in words is "four billion, five hundred eighteen million, seven hundred twenty-seven thousand, two hundred twenty-five".