260409607 has 2 divisors, whose sum is σ = 260409608. Its totient is φ = 260409606.

The previous prime is 260409601. The next prime is 260409629. The reversal of 260409607 is 706904062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260409607 - 2¹⁹ = 259885319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260409601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130204803 + 130204804.

It is an arithmetic number, because the mean of its divisors is an integer number (130204804).

Almost surely, 2^260409607 is an apocalyptic number.

260409607 is a deficient number, since it is larger than the sum of its proper divisors (1).

260409607 is an equidigital number, since it uses as much as digits as its factorization.

260409607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 260409607 is about 16137.2118719437. The cubic root of 260409607 is about 638.5854230607.

The spelling of 260409607 in words is "two hundred sixty million, four hundred nine thousand, six hundred seven".