260262881 has 2 divisors, whose sum is σ = 260262882. Its totient is φ = 260262880.

The previous prime is 260262859. The next prime is 260262929. The reversal of 260262881 is 188262062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135024400 + 125238481 = 11620^2 + 11191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260262881 is a prime.

It is a super-2 number, since 2×260262881² = 135473534452840322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (260262811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130131440 + 130131441.

It is an arithmetic number, because the mean of its divisors is an integer number (130131441).

Almost surely, 2^260262881 is an apocalyptic number.

It is an amenable number.

260262881 is a deficient number, since it is larger than the sum of its proper divisors (1).

260262881 is an equidigital number, since it uses as much as digits as its factorization.

260262881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 260262881 is about 16132.6650309241. The cubic root of 260262881 is about 638.4654650082.

The spelling of 260262881 in words is "two hundred sixty million, two hundred sixty-two thousand, eight hundred eighty-one".