3646545225 has 12 divisors (see below), whose sum is σ = 6028954896. Its totient is φ = 1944824080.

The previous prime is 3646545193. The next prime is 3646545241. The reversal of 3646545225 is 5225456463.

It is not a de Polignac number, because 3646545225 - 2⁵ = 3646545193 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24310227 + ... + 24310376.

It is an arithmetic number, because the mean of its divisors is an integer number (502412908).

Almost surely, 2^3646545225 is an apocalyptic number.

It is an amenable number.

3646545225 is a deficient number, since it is larger than the sum of its proper divisors (2382409671).

3646545225 is a wasteful number, since it uses less digits than its factorization.

3646545225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48620616 (or 48620611 counting only the distinct ones).

The product of its digits is 864000, while the sum is 42.

The square root of 3646545225 is about 60386.6311777698. The cubic root of 3646545225 is about 1539.1957943372.

The spelling of 3646545225 in words is "three billion, six hundred forty-six million, five hundred forty-five thousand, two hundred twenty-five".