5121253549 has 2 divisors, whose sum is σ = 5121253550. Its totient is φ = 5121253548.

The previous prime is 5121253499. The next prime is 5121253573. The reversal of 5121253549 is 9453521215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4913028649 + 208224900 = 70093^2 + 14430^2 .

It is a cyclic number.

It is not a de Polignac number, because 5121253549 - 2⁹ = 5121253037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5121233549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560626774 + 2560626775.

It is an arithmetic number, because the mean of its divisors is an integer number (2560626775).

Almost surely, 2^5121253549 is an apocalyptic number.

It is an amenable number.

5121253549 is a deficient number, since it is larger than the sum of its proper divisors (1).

5121253549 is an equidigital number, since it uses as much as digits as its factorization.

5121253549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 37.

The square root of 5121253549 is about 71562.9341838357. The cubic root of 5121253549 is about 1723.6884014565.

The spelling of 5121253549 in words is "five billion, one hundred twenty-one million, two hundred fifty-three thousand, five hundred forty-nine".