2575829881 has 2 divisors, whose sum is σ = 2575829882. Its totient is φ = 2575829880.

The previous prime is 2575829873. The next prime is 2575829887. The reversal of 2575829881 is 1889285752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2280540025 + 295289856 = 47755^2 + 17184^2 .

It is a cyclic number.

It is not a de Polignac number, because 2575829881 - 2³ = 2575829873 is a prime.

It is a super-2 number, since 2×2575829881² = 13269799151704948322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2575829887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1287914940 + 1287914941.

It is an arithmetic number, because the mean of its divisors is an integer number (1287914941).

Almost surely, 2^2575829881 is an apocalyptic number.

It is an amenable number.

2575829881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2575829881 is an equidigital number, since it uses as much as digits as its factorization.

2575829881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3225600, while the sum is 55.

The square root of 2575829881 is about 50752.6342272005. The cubic root of 2575829881 is about 1370.7946232860.

The spelling of 2575829881 in words is "two billion, five hundred seventy-five million, eight hundred twenty-nine thousand, eight hundred eighty-one".