260435089 has 2 divisors, whose sum is σ = 260435090. Its totient is φ = 260435088.

The previous prime is 260435039. The next prime is 260435107. The reversal of 260435089 is 980534062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 258566400 + 1868689 = 16080^2 + 1367^2 .

It is a cyclic number.

It is not a de Polignac number, because 260435089 - 2¹⁵ = 260402321 is a prime.

It is not a weakly prime, because it can be changed into another prime (260435039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130217544 + 130217545.

It is an arithmetic number, because the mean of its divisors is an integer number (130217545).

Almost surely, 2^260435089 is an apocalyptic number.

It is an amenable number.

260435089 is a deficient number, since it is larger than the sum of its proper divisors (1).

260435089 is an equidigital number, since it uses as much as digits as its factorization.

260435089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 260435089 is about 16138.0013942248. The cubic root of 260435089 is about 638.6062516612.

The spelling of 260435089 in words is "two hundred sixty million, four hundred thirty-five thousand, eighty-nine".