5660810257 has 2 divisors, whose sum is σ = 5660810258. Its totient is φ = 5660810256.

The previous prime is 5660810249. The next prime is 5660810291. The reversal of 5660810257 is 7520180665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3813186001 + 1847624256 = 61751^2 + 42984^2 .

It is a cyclic number.

It is not a de Polignac number, because 5660810257 - 2³ = 5660810249 is a prime.

It is not a weakly prime, because it can be changed into another prime (5660819257) 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, 2830405128 + 2830405129.

It is an arithmetic number, because the mean of its divisors is an integer number (2830405129).

Almost surely, 2^5660810257 is an apocalyptic number.

It is an amenable number.

5660810257 is a deficient number, since it is larger than the sum of its proper divisors (1).

5660810257 is an equidigital number, since it uses as much as digits as its factorization.

5660810257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 5660810257 is about 75238.3562885315. The cubic root of 5660810257 is about 1782.2126942560.

The spelling of 5660810257 in words is "five billion, six hundred sixty million, eight hundred ten thousand, two hundred fifty-seven".