260804893 has 2 divisors, whose sum is σ = 260804894. Its totient is φ = 260804892.

The previous prime is 260804879. The next prime is 260804899. The reversal of 260804893 is 398408062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255296484 + 5508409 = 15978^2 + 2347^2 .

It is a cyclic number.

It is not a de Polignac number, because 260804893 - 2⁹ = 260804381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260804899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130402446 + 130402447.

It is an arithmetic number, because the mean of its divisors is an integer number (130402447).

Almost surely, 2^260804893 is an apocalyptic number.

It is an amenable number.

260804893 is a deficient number, since it is larger than the sum of its proper divisors (1).

260804893 is an equidigital number, since it uses as much as digits as its factorization.

260804893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 260804893 is about 16149.4548824411. The cubic root of 260804893 is about 638.9083710332.

The spelling of 260804893 in words is "two hundred sixty million, eight hundred four thousand, eight hundred ninety-three".