2582860561 has 2 divisors, whose sum is σ = 2582860562. Its totient is φ = 2582860560.

The previous prime is 2582860547. The next prime is 2582860571. The reversal of 2582860561 is 1650682852.

2582860561 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., 1701067536 + 881793025 = 41244^2 + 29695^2 .

It is a cyclic number.

It is not a de Polignac number, because 2582860561 - 2⁵ = 2582860529 is a prime.

It is not a weakly prime, because it can be changed into another prime (2582860571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1291430280 + 1291430281.

It is an arithmetic number, because the mean of its divisors is an integer number (1291430281).

Almost surely, 2^2582860561 is an apocalyptic number.

It is an amenable number.

2582860561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2582860561 is an equidigital number, since it uses as much as digits as its factorization.

2582860561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 2582860561 is about 50821.8512157910. The cubic root of 2582860561 is about 1372.0406764666.

The spelling of 2582860561 in words is "two billion, five hundred eighty-two million, eight hundred sixty thousand, five hundred sixty-one".