3261162241 has 4 divisors (see below), whose sum is σ = 3452995332. Its totient is φ = 3069329152.

The previous prime is 3261162227. The next prime is 3261162253. The reversal of 3261162241 is 1422611623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1422611623 = 5281 ⋅269383.

It can be written as a sum of positive squares in 2 ways, for example, as 2821840641 + 439321600 = 53121^2 + 20960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3261162241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3261160241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95916520 + ... + 95916553.

It is an arithmetic number, because the mean of its divisors is an integer number (863248833).

Almost surely, 2^3261162241 is an apocalyptic number.

It is an amenable number.

3261162241 is a deficient number, since it is larger than the sum of its proper divisors (191833091).

3261162241 is a wasteful number, since it uses less digits than its factorization.

3261162241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191833090.

The product of its digits is 3456, while the sum is 28.

The square root of 3261162241 is about 57106.5866691400. The cubic root of 3261162241 is about 1482.9418962189.

Adding to 3261162241 its reverse (1422611623), we get a palindrome (4683773864).

The spelling of 3261162241 in words is "three billion, two hundred sixty-one million, one hundred sixty-two thousand, two hundred forty-one".