5242720400053 has 2 divisors, whose sum is σ = 5242720400054. Its totient is φ = 5242720400052.

The previous prime is 5242720400017. The next prime is 5242720400069. The reversal of 5242720400053 is 3500040272425.

5242720400053 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5183349229809 + 59371170244 = 2276697^2 + 243662^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5242720400053 is a prime.

It is a super-2 number, since 2×5242720400053² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5242720399991 and 5242720400018.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5242720400153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2621360200026 + 2621360200027.

It is an arithmetic number, because the mean of its divisors is an integer number (2621360200027).

Almost surely, 2^{5242720400053} is an apocalyptic number.

It is an amenable number.

5242720400053 is a deficient number, since it is larger than the sum of its proper divisors (1).

5242720400053 is an equidigital number, since it uses as much as digits as its factorization.

5242720400053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 34.

Adding to 5242720400053 its reverse (3500040272425), we get a palindrome (8742760672478).

The spelling of 5242720400053 in words is "five trillion, two hundred forty-two billion, seven hundred twenty million, four hundred thousand, fifty-three".