3996136225 has 27 divisors (see below), whose sum is σ = 5081773177. Its totient is φ = 3117258080.

The previous prime is 3996136187. The next prime is 3996136247. The reversal of 3996136225 is 5226316993.

The square root of 3996136225 is 63215.

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 1532800801 + 2463335424 = 39151^2 + 49632^2 .

It is not a de Polignac number, because 3996136225 - 2¹⁵ = 3996103457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 14855391 + ... + 14855659.

Almost surely, 2^3996136225 is an apocalyptic number.

3996136225 is the 63215-th square number.

3996136225 is the 31608-th centered octagonal number.

It is an amenable number.

3996136225 is a deficient number, since it is larger than the sum of its proper divisors (1085636952).

3996136225 is an frugal number, since it uses more digits than its factorization.

3996136225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 321 counting only the distinct ones).

The product of its digits is 524880, while the sum is 46.

The cubic root of 3996136225 is about 1586.8897739359.

The spelling of 3996136225 in words is "three billion, nine hundred ninety-six million, one hundred thirty-six thousand, two hundred twenty-five".