260004109 has 2 divisors, whose sum is σ = 260004110. Its totient is φ = 260004108.

The previous prime is 260004077. The next prime is 260004119. The reversal of 260004109 is 901400062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166978084 + 93026025 = 12922^2 + 9645^2 .

It is a cyclic number.

It is not a de Polignac number, because 260004109 - 2⁵ = 260004077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 260004109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260004119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130002054 + 130002055.

It is an arithmetic number, because the mean of its divisors is an integer number (130002055).

Almost surely, 2^260004109 is an apocalyptic number.

It is an amenable number.

260004109 is a deficient number, since it is larger than the sum of its proper divisors (1).

260004109 is an equidigital number, since it uses as much as digits as its factorization.

260004109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 260004109 is about 16124.6429107748. The cubic root of 260004109 is about 638.2537921388.

The spelling of 260004109 in words is "two hundred sixty million, four thousand, one hundred nine".