2573881 has 2 divisors, whose sum is σ = 2573882. Its totient is φ = 2573880.

The previous prime is 2573869. The next prime is 2573887. The reversal of 2573881 is 1883752.

2573881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2298256 + 275625 = 1516^2 + 525^2 .

It is a cyclic number.

It is not a de Polignac number, because 2573881 - 2¹⁷ = 2442809 is a prime.

It is a super-2 number, since 2×2573881² = 13249726804322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2573887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286940 + 1286941.

It is an arithmetic number, because the mean of its divisors is an integer number (1286941).

2^2573881 is an apocalyptic number.

It is an amenable number.

2573881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2573881 is an equidigital number, since it uses as much as digits as its factorization.

2573881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 34.

The square root of 2573881 is about 1604.3319481953. The cubic root of 2573881 is about 137.0448820216.

The spelling of 2573881 in words is "two million, five hundred seventy-three thousand, eight hundred eighty-one".