3647296225 has 6 divisors (see below), whose sum is σ = 4522647350. Its totient is φ = 2917836960.

The previous prime is 3647296217. The next prime is 3647296241. The reversal of 3647296225 is 5226927463.

3647296225 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 3 ways, for example, as 272151009 + 3375145216 = 16497^2 + 58096^2 .

It is not a de Polignac number, because 3647296225 - 2³ = 3647296217 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, 72945900 + ... + 72945949.

Almost surely, 2^3647296225 is an apocalyptic number.

It is an amenable number.

3647296225 is a deficient number, since it is larger than the sum of its proper divisors (875351125).

3647296225 is a wasteful number, since it uses less digits than its factorization.

3647296225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145891859 (or 145891854 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 46.

The square root of 3647296225 is about 60392.8491213985. The cubic root of 3647296225 is about 1539.3014520328.

The spelling of 3647296225 in words is "three billion, six hundred forty-seven million, two hundred ninety-six thousand, two hundred twenty-five".