3261653617 has 2 divisors, whose sum is σ = 3261653618. Its totient is φ = 3261653616.

The previous prime is 3261653569. The next prime is 3261653627. The reversal of 3261653617 is 7163561623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2247613281 + 1014040336 = 47409^2 + 31844^2 .

It is a cyclic number.

It is not a de Polignac number, because 3261653617 - 2¹⁵ = 3261620849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3261653617.

It is not a weakly prime, because it can be changed into another prime (3261653627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1630826808 + 1630826809.

It is an arithmetic number, because the mean of its divisors is an integer number (1630826809).

Almost surely, 2^3261653617 is an apocalyptic number.

It is an amenable number.

3261653617 is a deficient number, since it is larger than the sum of its proper divisors (1).

3261653617 is an equidigital number, since it uses as much as digits as its factorization.

3261653617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 40.

The square root of 3261653617 is about 57110.8887778854. Note that the first 3 decimals coincide. The cubic root of 3261653617 is about 1483.0163732927.

The spelling of 3261653617 in words is "three billion, two hundred sixty-one million, six hundred fifty-three thousand, six hundred seventeen".