260485783 has 2 divisors, whose sum is σ = 260485784. Its totient is φ = 260485782.

The previous prime is 260485769. The next prime is 260485793. The reversal of 260485783 is 387584062.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260485783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260485793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130242891 + 130242892.

It is an arithmetic number, because the mean of its divisors is an integer number (130242892).

Almost surely, 2^260485783 is an apocalyptic number.

260485783 is a deficient number, since it is larger than the sum of its proper divisors (1).

260485783 is an equidigital number, since it uses as much as digits as its factorization.

260485783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 260485783 is about 16139.5719583885. The cubic root of 260485783 is about 638.6476841286.

The spelling of 260485783 in words is "two hundred sixty million, four hundred eighty-five thousand, seven hundred eighty-three".