5256276491 has 2 divisors, whose sum is σ = 5256276492. Its totient is φ = 5256276490.

The previous prime is 5256276463. The next prime is 5256276511. The reversal of 5256276491 is 1946726525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5256276491 - 2¹⁰ = 5256275467 is a prime.

It is not a weakly prime, because it can be changed into another prime (5256176491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2628138245 + 2628138246.

It is an arithmetic number, because the mean of its divisors is an integer number (2628138246).

Almost surely, 2^5256276491 is an apocalyptic number.

5256276491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5256276491 is an equidigital number, since it uses as much as digits as its factorization.

5256276491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 47.

The square root of 5256276491 is about 72500.1826963215. The cubic root of 5256276491 is about 1738.7056577254.

The spelling of 5256276491 in words is "five billion, two hundred fifty-six million, two hundred seventy-six thousand, four hundred ninety-one".