2261706241 has 2 divisors, whose sum is σ = 2261706242. Its totient is φ = 2261706240.

The previous prime is 2261706229. The next prime is 2261706269. The reversal of 2261706241 is 1426071622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2182851841 + 78854400 = 46721^2 + 8880^2 .

It is a cyclic number.

It is not a de Polignac number, because 2261706241 - 2²⁷ = 2127488513 is a prime.

It is not a weakly prime, because it can be changed into another prime (2261706281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130853120 + 1130853121.

It is an arithmetic number, because the mean of its divisors is an integer number (1130853121).

Almost surely, 2^2261706241 is an apocalyptic number.

It is an amenable number.

2261706241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261706241 is an equidigital number, since it uses as much as digits as its factorization.

2261706241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 2261706241 is about 47557.3994347883. The cubic root of 2261706241 is about 1312.6392880869.

Adding to 2261706241 its reverse (1426071622), we get a palindrome (3687777863).

The spelling of 2261706241 in words is "two billion, two hundred sixty-one million, seven hundred six thousand, two hundred forty-one".