260788553 has 2 divisors, whose sum is σ = 260788554. Its totient is φ = 260788552.

The previous prime is 260788537. The next prime is 260788579. The reversal of 260788553 is 355887062.

260788553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238764304 + 22024249 = 15452^2 + 4693^2 .

It is a cyclic number.

It is not a de Polignac number, because 260788553 - 2⁴ = 260788537 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (260788453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130394276 + 130394277.

It is an arithmetic number, because the mean of its divisors is an integer number (130394277).

Almost surely, 2^260788553 is an apocalyptic number.

It is an amenable number.

260788553 is a deficient number, since it is larger than the sum of its proper divisors (1).

260788553 is an equidigital number, since it uses as much as digits as its factorization.

260788553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 260788553 is about 16148.9489750881. The cubic root of 260788553 is about 638.8950277497.

The spelling of 260788553 in words is "two hundred sixty million, seven hundred eighty-eight thousand, five hundred fifty-three".