5171126243 has 2 divisors, whose sum is σ = 5171126244. Its totient is φ = 5171126242.

The previous prime is 5171126231. The next prime is 5171126291. The reversal of 5171126243 is 3426211715.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5171126243 - 2²⁴ = 5154349027 is a prime.

It is not a weakly prime, because it can be changed into another prime (5171125243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2585563121 + 2585563122.

It is an arithmetic number, because the mean of its divisors is an integer number (2585563122).

Almost surely, 2^5171126243 is an apocalyptic number.

5171126243 is a deficient number, since it is larger than the sum of its proper divisors (1).

5171126243 is an equidigital number, since it uses as much as digits as its factorization.

5171126243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 5171126243 is about 71910.5433368432. The cubic root of 5171126243 is about 1729.2656447532.

Adding to 5171126243 its reverse (3426211715), we get a palindrome (8597337958).

The spelling of 5171126243 in words is "five billion, one hundred seventy-one million, one hundred twenty-six thousand, two hundred forty-three".