5238155257 has 2 divisors, whose sum is σ = 5238155258. Its totient is φ = 5238155256.

The previous prime is 5238155227. The next prime is 5238155269. The reversal of 5238155257 is 7525518325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4041272041 + 1196883216 = 63571^2 + 34596^2 .

It is a cyclic number.

It is not a de Polignac number, because 5238155257 - 2¹¹ = 5238153209 is a prime.

It is not a weakly prime, because it can be changed into another prime (5238155227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2619077628 + 2619077629.

It is an arithmetic number, because the mean of its divisors is an integer number (2619077629).

Almost surely, 2^5238155257 is an apocalyptic number.

It is an amenable number.

5238155257 is a deficient number, since it is larger than the sum of its proper divisors (1).

5238155257 is an equidigital number, since it uses as much as digits as its factorization.

5238155257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420000, while the sum is 43.

The square root of 5238155257 is about 72375.1010845581. The cubic root of 5238155257 is about 1736.7052702239.

The spelling of 5238155257 in words is "five billion, two hundred thirty-eight million, one hundred fifty-five thousand, two hundred fifty-seven".