3653203225 has 48 divisors (see below), whose sum is σ = 5368763520. Its totient is φ = 2412748800.

The previous prime is 3653203217. The next prime is 3653203237. The reversal of 3653203225 is 5223023563.

It is not a de Polignac number, because 3653203225 - 2³ = 3653203217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3252514 + ... + 3253636.

It is an arithmetic number, because the mean of its divisors is an integer number (111849240).

Almost surely, 2^3653203225 is an apocalyptic number.

3653203225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3653203225 is a deficient number, since it is larger than the sum of its proper divisors (1715560295).

3653203225 is a wasteful number, since it uses less digits than its factorization.

3653203225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1805 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 31.

The square root of 3653203225 is about 60441.7341329648. The cubic root of 3653203225 is about 1540.1319987210.

Adding to 3653203225 its reverse (5223023563), we get a palindrome (8876226788).

The spelling of 3653203225 in words is "three billion, six hundred fifty-three million, two hundred three thousand, two hundred twenty-five".