3655773025 has 12 divisors (see below), whose sum is σ = 4534670700. Its totient is φ = 2923642880.

The previous prime is 3655772999. The next prime is 3655773047. The reversal of 3655773025 is 5203775563.

It can be written as a sum of positive squares in 6 ways, for example, as 98962704 + 3556810321 = 9948^2 + 59639^2 .

It is not a de Polignac number, because 3655773025 - 2⁵ = 3655772993 is a prime.

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, 57441 + ... + 103009.

It is an arithmetic number, because the mean of its divisors is an integer number (377889225).

Almost surely, 2^3655773025 is an apocalyptic number.

It is an amenable number.

3655773025 is a deficient number, since it is larger than the sum of its proper divisors (878897675).

3655773025 is a wasteful number, since it uses less digits than its factorization.

3655773025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48788 (or 48783 counting only the distinct ones).

The product of its (nonzero) digits is 661500, while the sum is 43.

The square root of 3655773025 is about 60462.9888857638. The cubic root of 3655773025 is about 1540.4930429244.

The spelling of 3655773025 in words is "three billion, six hundred fifty-five million, seven hundred seventy-three thousand, twenty-five".