3654645025 has 24 divisors (see below), whose sum is σ = 4695477248. Its totient is φ = 2818800000.

The previous prime is 3654644999. The next prime is 3654645061. The reversal of 3654645025 is 5205464563.

It is a happy number.

It is not a de Polignac number, because 3654645025 - 2¹¹ = 3654642977 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201325 + ... + 218725.

Almost surely, 2^3654645025 is an apocalyptic number.

It is an amenable number.

3654645025 is a deficient number, since it is larger than the sum of its proper divisors (1040832223).

3654645025 is a wasteful number, since it uses less digits than its factorization.

3654645025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17713 (or 17708 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

The square root of 3654645025 is about 60453.6601456024. The cubic root of 3654645025 is about 1540.3345853384.

The spelling of 3654645025 in words is "three billion, six hundred fifty-four million, six hundred forty-five thousand, twenty-five".