2580532621 has 2 divisors, whose sum is σ = 2580532622. Its totient is φ = 2580532620.

The previous prime is 2580532609. The next prime is 2580532627. The reversal of 2580532621 is 1262350852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2178088900 + 402443721 = 46670^2 + 20061^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2580532621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2580532627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1290266310 + 1290266311.

It is an arithmetic number, because the mean of its divisors is an integer number (1290266311).

Almost surely, 2^2580532621 is an apocalyptic number.

It is an amenable number.

2580532621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2580532621 is an equidigital number, since it uses as much as digits as its factorization.

2580532621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 2580532621 is about 50798.9431090845. The cubic root of 2580532621 is about 1371.6283444322.

The spelling of 2580532621 in words is "two billion, five hundred eighty million, five hundred thirty-two thousand, six hundred twenty-one".