2521056413 has 2 divisors, whose sum is σ = 2521056414. Its totient is φ = 2521056412.

The previous prime is 2521056389. The next prime is 2521056451. The reversal of 2521056413 is 3146501252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2332213849 + 188842564 = 48293^2 + 13742^2 .

It is a cyclic number.

It is not a de Polignac number, because 2521056413 - 2¹⁰ = 2521055389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2521056113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260528206 + 1260528207.

It is an arithmetic number, because the mean of its divisors is an integer number (1260528207).

Almost surely, 2^2521056413 is an apocalyptic number.

It is an amenable number.

2521056413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521056413 is an equidigital number, since it uses as much as digits as its factorization.

2521056413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2521056413 is about 50210.1226148672. The cubic root of 2521056413 is about 1361.0085535393.

Adding to 2521056413 its reverse (3146501252), we get a palindrome (5667557665).

The spelling of 2521056413 in words is "two billion, five hundred twenty-one million, fifty-six thousand, four hundred thirteen".