2575830857 has 2 divisors, whose sum is σ = 2575830858. Its totient is φ = 2575830856.

The previous prime is 2575830839. The next prime is 2575830913. The reversal of 2575830857 is 7580385752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1774431376 + 801399481 = 42124^2 + 28309^2 .

It is a cyclic number.

It is not a de Polignac number, because 2575830857 - 2²⁰ = 2574782281 is a prime.

It is not a weakly prime, because it can be changed into another prime (2575830757) 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, 1287915428 + 1287915429.

It is an arithmetic number, because the mean of its divisors is an integer number (1287915429).

Almost surely, 2^2575830857 is an apocalyptic number.

It is an amenable number.

2575830857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2575830857 is an equidigital number, since it uses as much as digits as its factorization.

2575830857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352000, while the sum is 50.

The square root of 2575830857 is about 50752.6438424640. The cubic root of 2575830857 is about 1370.7947964206.

The spelling of 2575830857 in words is "two billion, five hundred seventy-five million, eight hundred thirty thousand, eight hundred fifty-seven".