2521247711 has 2 divisors, whose sum is σ = 2521247712. Its totient is φ = 2521247710.

The previous prime is 2521247657. The next prime is 2521247753. The reversal of 2521247711 is 1177421252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2521247711 - 2¹⁰ = 2521246687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2521247011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260623855 + 1260623856.

It is an arithmetic number, because the mean of its divisors is an integer number (1260623856).

Almost surely, 2^2521247711 is an apocalyptic number.

2521247711 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521247711 is an equidigital number, since it uses as much as digits as its factorization.

2521247711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7840, while the sum is 32.

The square root of 2521247711 is about 50212.0275531670. The cubic root of 2521247711 is about 1361.0429771547.

Adding to 2521247711 its reverse (1177421252), we get a palindrome (3698668963).

The spelling of 2521247711 in words is "two billion, five hundred twenty-one million, two hundred forty-seven thousand, seven hundred eleven".