3663040025 has 12 divisors (see below), whose sum is σ = 4698797100. Its totient is φ = 2829382080.

The previous prime is 3663040019. The next prime is 3663040037. The reversal of 3663040025 is 5200403663.

3663040025 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 6 ways, for example, as 732736 + 3662307289 = 856^2 + 60517^2 .

It is not a de Polignac number, because 3663040025 - 2⁴ = 3663040009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 3663040025.

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, 2525510 + ... + 2526959.

It is an arithmetic number, because the mean of its divisors is an integer number (391566425).

Almost surely, 2^3663040025 is an apocalyptic number.

It is an amenable number.

3663040025 is a deficient number, since it is larger than the sum of its proper divisors (1035757075).

3663040025 is a wasteful number, since it uses less digits than its factorization.

3663040025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5052508 (or 5052503 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 3663040025 is about 60523.0536655248. The cubic root of 3663040025 is about 1541.5131056527.

Adding to 3663040025 its reverse (5200403663), we get a palindrome (8863443688).

The spelling of 3663040025 in words is "three billion, six hundred sixty-three million, forty thousand, twenty-five".