260464613 has 2 divisors, whose sum is σ = 260464614. Its totient is φ = 260464612.

The previous prime is 260464609. The next prime is 260464637. The reversal of 260464613 is 316464062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226743364 + 33721249 = 15058^2 + 5807^2 .

It is a cyclic number.

It is not a de Polignac number, because 260464613 - 2² = 260464609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 260464613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260464663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130232306 + 130232307.

It is an arithmetic number, because the mean of its divisors is an integer number (130232307).

Almost surely, 2^260464613 is an apocalyptic number.

It is an amenable number.

260464613 is a deficient number, since it is larger than the sum of its proper divisors (1).

260464613 is an equidigital number, since it uses as much as digits as its factorization.

260464613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 260464613 is about 16138.9161036298. The cubic root of 260464613 is about 638.6303824323.

The spelling of 260464613 in words is "two hundred sixty million, four hundred sixty-four thousand, six hundred thirteen".