260086457 has 2 divisors, whose sum is σ = 260086458. Its totient is φ = 260086456.

The previous prime is 260086441. The next prime is 260086481. The reversal of 260086457 is 754680062.

It is a happy number.

260086457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193321216 + 66765241 = 13904^2 + 8171^2 .

It is a cyclic number.

It is not a de Polignac number, because 260086457 - 2⁴ = 260086441 is a prime.

It is a super-2 number, since 2×260086457² = 135289930229625698, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 260086457.

It is not a weakly prime, because it can be changed into another prime (260086487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130043228 + 130043229.

It is an arithmetic number, because the mean of its divisors is an integer number (130043229).

Almost surely, 2^260086457 is an apocalyptic number.

It is an amenable number.

260086457 is a deficient number, since it is larger than the sum of its proper divisors (1).

260086457 is an equidigital number, since it uses as much as digits as its factorization.

260086457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 260086457 is about 16127.1961915269. The cubic root of 260086457 is about 638.3211671964.

The spelling of 260086457 in words is "two hundred sixty million, eighty-six thousand, four hundred fifty-seven".