2573571881 has 2 divisors, whose sum is σ = 2573571882. Its totient is φ = 2573571880.

The previous prime is 2573571841. The next prime is 2573571941. The reversal of 2573571881 is 1881753752.

It is a happy number.

2573571881 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., 2528480656 + 45091225 = 50284^2 + 6715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2573571881 is a prime.

It is a super-2 number, since 2×2573571881² = 13246544453347756322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2573571841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286785940 + 1286785941.

It is an arithmetic number, because the mean of its divisors is an integer number (1286785941).

Almost surely, 2^2573571881 is an apocalyptic number.

It is an amenable number.

2573571881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2573571881 is an equidigital number, since it uses as much as digits as its factorization.

2573571881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 470400, while the sum is 47.

The square root of 2573571881 is about 50730.3841992154. The cubic root of 2573571881 is about 1370.3939551147.

The spelling of 2573571881 in words is "two billion, five hundred seventy-three million, five hundred seventy-one thousand, eight hundred eighty-one".