261468241 has 2 divisors, whose sum is σ = 261468242. Its totient is φ = 261468240.

The previous prime is 261468227. The next prime is 261468247. The reversal of 261468241 is 142864162.

261468241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 259081216 + 2387025 = 16096^2 + 1545^2 .

It is a cyclic number.

It is not a de Polignac number, because 261468241 - 2⁹ = 261467729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 261468197 and 261468206.

It is not a weakly prime, because it can be changed into another prime (261468247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130734120 + 130734121.

It is an arithmetic number, because the mean of its divisors is an integer number (130734121).

Almost surely, 2^261468241 is an apocalyptic number.

It is an amenable number.

261468241 is a deficient number, since it is larger than the sum of its proper divisors (1).

261468241 is an equidigital number, since it uses as much as digits as its factorization.

261468241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 34.

The square root of 261468241 is about 16169.9796227454. The cubic root of 261468241 is about 639.4495926971.

The spelling of 261468241 in words is "two hundred sixty-one million, four hundred sixty-eight thousand, two hundred forty-one".