7522112761 has 2 divisors, whose sum is σ = 7522112762. Its totient is φ = 7522112760.

The previous prime is 7522112747. The next prime is 7522112779. The reversal of 7522112761 is 1672112257.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6865779600 + 656333161 = 82860^2 + 25619^2 .

It is an emirp because it is prime and its reverse (1672112257) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7522112761 is a prime.

It is not a weakly prime, because it can be changed into another prime (7522112161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3761056380 + 3761056381.

It is an arithmetic number, because the mean of its divisors is an integer number (3761056381).

Almost surely, 2^7522112761 is an apocalyptic number.

It is an amenable number.

7522112761 is a deficient number, since it is larger than the sum of its proper divisors (1).

7522112761 is an equidigital number, since it uses as much as digits as its factorization.

7522112761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 34.

The square root of 7522112761 is about 86730.1144989444. The cubic root of 7522112761 is about 1959.3556782054.

The spelling of 7522112761 in words is "seven billion, five hundred twenty-two million, one hundred twelve thousand, seven hundred sixty-one".