2575960861 has 2 divisors, whose sum is σ = 2575960862. Its totient is φ = 2575960860.

The previous prime is 2575960847. The next prime is 2575960867. The reversal of 2575960861 is 1680695752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2506904761 + 69056100 = 50069^2 + 8310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2575960861 is a prime.

It is a super-2 number, since 2×2575960861² = 13271148714807722642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2575960867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1287980430 + 1287980431.

It is an arithmetic number, because the mean of its divisors is an integer number (1287980431).

Almost surely, 2^2575960861 is an apocalyptic number.

It is an amenable number.

2575960861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2575960861 is an equidigital number, since it uses as much as digits as its factorization.

2575960861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 49.

The square root of 2575960861 is about 50753.9245871686. The cubic root of 2575960861 is about 1370.8178576927.

The spelling of 2575960861 in words is "two billion, five hundred seventy-five million, nine hundred sixty thousand, eight hundred sixty-one".