3645025256 has 8 divisors (see below), whose sum is σ = 6834422370. Its totient is φ = 1822512624.

The previous prime is 3645025253. The next prime is 3645025271. The reversal of 3645025256 is 6525205463.

3645025256 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 only one way, i.e., 1941812356 + 1703212900 = 44066^2 + 41270^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (3645025253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227814071 + ... + 227814086.

Almost surely, 2^3645025256 is an apocalyptic number.

It is an amenable number.

3645025256 is a deficient number, since it is larger than the sum of its proper divisors (3189397114).

3645025256 is a wasteful number, since it uses less digits than its factorization.

3645025256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455628163 (or 455628159 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

The square root of 3645025256 is about 60374.0445555870. The cubic root of 3645025256 is about 1538.9819064990.

The spelling of 3645025256 in words is "three billion, six hundred forty-five million, twenty-five thousand, two hundred fifty-six".