260650005 has 32 divisors (see below), whose sum is σ = 519948288. Its totient is φ = 108321600.

The previous prime is 260649989. The next prime is 260650051. The reversal of 260650005 is 500056062.

It is not a de Polignac number, because 260650005 - 2⁴ = 260649989 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 111681 + ... + 113990.

It is an arithmetic number, because the mean of its divisors is an integer number (16248384).

Almost surely, 2^260650005 is an apocalyptic number.

It is an amenable number.

260650005 is a deficient number, since it is larger than the sum of its proper divisors (259298283).

260650005 is a wasteful number, since it uses less digits than its factorization.

260650005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225697.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 260650005 is about 16144.6587142621. The cubic root of 260650005 is about 638.7818667139.

The spelling of 260650005 in words is "two hundred sixty million, six hundred fifty thousand, five".