5374251521 has 2 divisors, whose sum is σ = 5374251522. Its totient is φ = 5374251520.

The previous prime is 5374251473. The next prime is 5374251527. The reversal of 5374251521 is 1251524735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4728075121 + 646176400 = 68761^2 + 25420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5374251521 is a prime.

It is not a weakly prime, because it can be changed into another prime (5374251527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2687125760 + 2687125761.

It is an arithmetic number, because the mean of its divisors is an integer number (2687125761).

Almost surely, 2^5374251521 is an apocalyptic number.

It is an amenable number.

5374251521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5374251521 is an equidigital number, since it uses as much as digits as its factorization.

5374251521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42000, while the sum is 35.

The square root of 5374251521 is about 73309.2867309456. The cubic root of 5374251521 is about 1751.6177172755.

The spelling of 5374251521 in words is "five billion, three hundred seventy-four million, two hundred fifty-one thousand, five hundred twenty-one".