3663247325 has 6 divisors (see below), whose sum is σ = 4542426714. Its totient is φ = 2930597840.

The previous prime is 3663247321. The next prime is 3663247327. The reversal of 3663247325 is 5237423663.

It can be written as a sum of positive squares in 3 ways, for example, as 551169529 + 3112077796 = 23477^2 + 55786^2 .

It is not a de Polignac number, because 3663247325 - 2² = 3663247321 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3663247321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73264922 + ... + 73264971.

It is an arithmetic number, because the mean of its divisors is an integer number (757071119).

Almost surely, 2^3663247325 is an apocalyptic number.

It is an amenable number.

3663247325 is a deficient number, since it is larger than the sum of its proper divisors (879179389).

3663247325 is a wasteful number, since it uses less digits than its factorization.

3663247325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146529903 (or 146529898 counting only the distinct ones).

The product of its digits is 544320, while the sum is 41.

The square root of 3663247325 is about 60524.7662118574. The cubic root of 3663247325 is about 1541.5421843812.

The spelling of 3663247325 in words is "three billion, six hundred sixty-three million, two hundred forty-seven thousand, three hundred twenty-five".