3663625025 has 24 divisors (see below), whose sum is σ = 4606967040. Its totient is φ = 2889815040.

The previous prime is 3663625019. The next prime is 3663625027. The reversal of 3663625025 is 5205263663.

It is not a de Polignac number, because 3663625025 - 2¹⁰ = 3663624001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3663625025.

It is not an unprimeable number, because it can be changed into a prime (3663625027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 612449 + ... + 618401.

It is an arithmetic number, because the mean of its divisors is an integer number (191956960).

Almost surely, 2^3663625025 is an apocalyptic number.

It is an amenable number.

3663625025 is a deficient number, since it is larger than the sum of its proper divisors (943342015).

3663625025 is a wasteful number, since it uses less digits than its factorization.

3663625025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6305 (or 6300 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 38.

The square root of 3663625025 is about 60527.8863417516. The cubic root of 3663625025 is about 1541.5951629202.

Adding to 3663625025 its reverse (5205263663), we get a palindrome (8868888688).

The spelling of 3663625025 in words is "three billion, six hundred sixty-three million, six hundred twenty-five thousand, twenty-five".