3661305241 has 6 divisors (see below), whose sum is σ = 4024410026. Its totient is φ = 3328459200.

The previous prime is 3661305223. The next prime is 3661305257. The reversal of 3661305241 is 1425031663.

It can be written as a sum of positive squares in only one way, i.e., 3645623641 + 15681600 = 60379^2 + 3960^2 .

It is not a de Polignac number, because 3661305241 - 2²¹ = 3659208089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3661305211) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 15129240 + ... + 15129481.

Almost surely, 2^3661305241 is an apocalyptic number.

It is an amenable number.

3661305241 is a deficient number, since it is larger than the sum of its proper divisors (363104785).

3661305241 is a wasteful number, since it uses less digits than its factorization.

3661305241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30258743 (or 30258732 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3661305241 is about 60508.7203715299. The cubic root of 3661305241 is about 1541.2697181456.

The spelling of 3661305241 in words is "three billion, six hundred sixty-one million, three hundred five thousand, two hundred forty-one".