5239455761 has 2 divisors, whose sum is σ = 5239455762. Its totient is φ = 5239455760.

The previous prime is 5239455733. The next prime is 5239455763. The reversal of 5239455761 is 1675549325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5238864400 + 591361 = 72380^2 + 769^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5239455761 is a prime.

Together with 5239455763, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5239455763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2619727880 + 2619727881.

It is an arithmetic number, because the mean of its divisors is an integer number (2619727881).

Almost surely, 2^5239455761 is an apocalyptic number.

It is an amenable number.

5239455761 is a deficient number, since it is larger than the sum of its proper divisors (1).

5239455761 is an equidigital number, since it uses as much as digits as its factorization.

5239455761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134000, while the sum is 47.

The square root of 5239455761 is about 72384.0849980160. The cubic root of 5239455761 is about 1736.8489852755.

The spelling of 5239455761 in words is "five billion, two hundred thirty-nine million, four hundred fifty-five thousand, seven hundred sixty-one".