5131248421357 has 2 divisors, whose sum is σ = 5131248421358. Its totient is φ = 5131248421356.

The previous prime is 5131248421303. The next prime is 5131248421363. The reversal of 5131248421357 is 7531248421315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5068738920996 + 62509500361 = 2251386^2 + 250019^2 .

It is a cyclic number.

It is not a de Polignac number, because 5131248421357 - 2¹¹ = 5131248419309 is a prime.

It is a super-2 number, since 2×5131248421357² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5131248421457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2565624210678 + 2565624210679.

It is an arithmetic number, because the mean of its divisors is an integer number (2565624210679).

Almost surely, 2^{5131248421357} is an apocalyptic number.

It is an amenable number.

5131248421357 is a deficient number, since it is larger than the sum of its proper divisors (1).

5131248421357 is an equidigital number, since it uses as much as digits as its factorization.

5131248421357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 46.

The spelling of 5131248421357 in words is "five trillion, one hundred thirty-one billion, two hundred forty-eight million, four hundred twenty-one thousand, three hundred fifty-seven".