4155736225 has 9 divisors (see below), whose sum is σ = 5153512633. Its totient is φ = 3324331120.

The previous prime is 4155736219. The next prime is 4155736243. The reversal of 4155736225 is 5226375514.

The square root of 4155736225 is 64465.

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

4155736225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6315169 + 4149421056 = 2513^2 + 64416^2 .

It is not a de Polignac number, because 4155736225 - 2⁹ = 4155735713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 315879 + ... + 328771.

Almost surely, 2^4155736225 is an apocalyptic number.

4155736225 is the 64465-th square number.

4155736225 is the 32233-rd centered octagonal number.

It is an amenable number.

4155736225 is a deficient number, since it is larger than the sum of its proper divisors (997776408).

4155736225 is an frugal number, since it uses more digits than its factorization.

4155736225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25796 (or 12898 counting only the distinct ones).

The product of its digits is 252000, while the sum is 40.

The cubic root of 4155736225 is about 1607.7406454115.

The spelling of 4155736225 in words is "four billion, one hundred fifty-five million, seven hundred thirty-six thousand, two hundred twenty-five".