2562881 has 2 divisors, whose sum is σ = 2562882. Its totient is φ = 2562880.

The previous prime is 2562841. The next prime is 2562907. The reversal of 2562881 is 1882652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1985281 + 577600 = 1409^2 + 760^2 .

It is a cyclic number.

It is not a de Polignac number, because 2562881 - 2¹⁰ = 2561857 is a prime.

It is a super-2 number, since 2×2562881² = 13136718040322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2562841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1281440 + 1281441.

It is an arithmetic number, because the mean of its divisors is an integer number (1281441).

2^2562881 is an apocalyptic number.

It is an amenable number.

2562881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2562881 is an equidigital number, since it uses as much as digits as its factorization.

2562881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 32.

The square root of 2562881 is about 1600.9000593416. The cubic root of 2562881 is about 136.8493735862.

It can be divided in two parts, 2562 and 881, that added together give a palindrome (3443).

The spelling of 2562881 in words is "two million, five hundred sixty-two thousand, eight hundred eighty-one".