260744563 has 2 divisors, whose sum is σ = 260744564. Its totient is φ = 260744562.

The previous prime is 260744551. The next prime is 260744567. The reversal of 260744563 is 365447062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260744563 - 2¹⁷ = 260613491 is a prime.

It is not a weakly prime, because it can be changed into another prime (260744567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130372281 + 130372282.

It is an arithmetic number, because the mean of its divisors is an integer number (130372282).

Almost surely, 2^260744563 is an apocalyptic number.

260744563 is a deficient number, since it is larger than the sum of its proper divisors (1).

260744563 is an equidigital number, since it uses as much as digits as its factorization.

260744563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 260744563 is about 16147.5869095045. The cubic root of 260744563 is about 638.8591026393.

The spelling of 260744563 in words is "two hundred sixty million, seven hundred forty-four thousand, five hundred sixty-three".