52480395397 has 2 divisors, whose sum is σ = 52480395398. Its totient is φ = 52480395396.

The previous prime is 52480395391. The next prime is 52480395449. The reversal of 52480395397 is 79359308425.

It is a Cunningham number, because it is equal to 229086²+1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52480395396 + 1 = 229086^2 + 1^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52480395397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52480395391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26240197698 + 26240197699.

It is an arithmetic number, because the mean of its divisors is an integer number (26240197699).

Almost surely, 2^52480395397 is an apocalyptic number.

It is an amenable number.

52480395397 is a deficient number, since it is larger than the sum of its proper divisors (1).

52480395397 is an equidigital number, since it uses as much as digits as its factorization.

52480395397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8164800, while the sum is 55.

The spelling of 52480395397 in words is "fifty-two billion, four hundred eighty million, three hundred ninety-five thousand, three hundred ninety-seven".