2961823217 has 2 divisors, whose sum is σ = 2961823218. Its totient is φ = 2961823216.

The previous prime is 2961823199. The next prime is 2961823357. The reversal of 2961823217 is 7123281692.

2961823217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1545354721 + 1416468496 = 39311^2 + 37636^2 .

It is a cyclic number.

It is not a de Polignac number, because 2961823217 - 2⁶ = 2961823153 is a prime.

It is not a weakly prime, because it can be changed into another prime (2961823517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1480911608 + 1480911609.

It is an arithmetic number, because the mean of its divisors is an integer number (1480911609).

Almost surely, 2^2961823217 is an apocalyptic number.

It is an amenable number.

2961823217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2961823217 is an equidigital number, since it uses as much as digits as its factorization.

2961823217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The square root of 2961823217 is about 54422.6351530317. The cubic root of 2961823217 is about 1436.1056066179.

The spelling of 2961823217 in words is "two billion, nine hundred sixty-one million, eight hundred twenty-three thousand, two hundred seventeen".