260904089 has 2 divisors, whose sum is σ = 260904090. Its totient is φ = 260904088.

The previous prime is 260904073. The next prime is 260904103. The reversal of 260904089 is 980409062.

260904089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 258148489 + 2755600 = 16067^2 + 1660^2 .

It is a cyclic number.

It is not a de Polignac number, because 260904089 - 2⁴ = 260904073 is a prime.

It is not a weakly prime, because it can be changed into another prime (260904289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130452044 + 130452045.

It is an arithmetic number, because the mean of its divisors is an integer number (130452045).

Almost surely, 2^260904089 is an apocalyptic number.

It is an amenable number.

260904089 is a deficient number, since it is larger than the sum of its proper divisors (1).

260904089 is an equidigital number, since it uses as much as digits as its factorization.

260904089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 260904089 is about 16152.5257777228. The cubic root of 260904089 is about 638.9893627669.

The spelling of 260904089 in words is "two hundred sixty million, nine hundred four thousand, eighty-nine".