2521054016549 has 2 divisors, whose sum is σ = 2521054016550. Its totient is φ = 2521054016548.

The previous prime is 2521054016543. The next prime is 2521054016587. The reversal of 2521054016549 is 9456104501252.

2521054016549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2266439920900 + 254614095649 = 1505470^2 + 504593^2 .

It is a cyclic number.

It is not a de Polignac number, because 2521054016549 - 2⁸ = 2521054016293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2521054016543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260527008274 + 1260527008275.

It is an arithmetic number, because the mean of its divisors is an integer number (1260527008275).

Almost surely, 2^{2521054016549} is an apocalyptic number.

It is an amenable number.

2521054016549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521054016549 is an equidigital number, since it uses as much as digits as its factorization.

2521054016549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 2521054016549 in words is "two trillion, five hundred twenty-one billion, fifty-four million, sixteen thousand, five hundred forty-nine".