260424065 has 12 divisors (see below), whose sum is σ = 343502292. Its totient is φ = 189398880.

The previous prime is 260424049. The next prime is 260424077. The reversal of 260424065 is 560424062.

It can be written as a sum of positive squares in 2 ways, for example, as 152596609 + 107827456 = 12353^2 + 10384^2 .

It is not a de Polignac number, because 260424065 - 2⁴ = 260424049 is a prime.

It is a super-2 number, since 2×260424065² = 135641387262248450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214622 + ... + 215831.

It is an arithmetic number, because the mean of its divisors is an integer number (28625191).

Almost surely, 2^260424065 is an apocalyptic number.

It is an amenable number.

260424065 is a deficient number, since it is larger than the sum of its proper divisors (83078227).

260424065 is a wasteful number, since it uses less digits than its factorization.

260424065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430480 (or 430469 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 260424065 is about 16137.6598365438. The cubic root of 260424065 is about 638.5972409775.

The spelling of 260424065 in words is "two hundred sixty million, four hundred twenty-four thousand, sixty-five".