2175720241 has 2 divisors, whose sum is σ = 2175720242. Its totient is φ = 2175720240.

The previous prime is 2175720223. The next prime is 2175720289. The reversal of 2175720241 is 1420275712.

2175720241 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., 2104148641 + 71571600 = 45871^2 + 8460^2 .

It is a cyclic number.

It is not a de Polignac number, because 2175720241 - 2⁹ = 2175719729 is a prime.

It is not a weakly prime, because it can be changed into another prime (2175720221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1087860120 + 1087860121.

It is an arithmetic number, because the mean of its divisors is an integer number (1087860121).

Almost surely, 2^2175720241 is an apocalyptic number.

It is an amenable number.

2175720241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2175720241 is an equidigital number, since it uses as much as digits as its factorization.

2175720241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 2175720241 is about 46644.6164203330. The cubic root of 2175720241 is about 1295.7891843957.

Adding to 2175720241 its reverse (1420275712), we get a palindrome (3595995953).

The spelling of 2175720241 in words is "two billion, one hundred seventy-five million, seven hundred twenty thousand, two hundred forty-one".