5171126257 has 4 divisors (see below), whose sum is σ = 5641228656. Its totient is φ = 4701023860.

The previous prime is 5171126243. The next prime is 5171126291. The reversal of 5171126257 is 7526211715.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5171126257 - 2¹⁵ = 5171093489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5171126297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235051183 + ... + 235051204.

It is an arithmetic number, because the mean of its divisors is an integer number (1410307164).

Almost surely, 2^5171126257 is an apocalyptic number.

It is an amenable number.

5171126257 is a deficient number, since it is larger than the sum of its proper divisors (470102399).

5171126257 is a wasteful number, since it uses less digits than its factorization.

5171126257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470102398.

The product of its digits is 29400, while the sum is 37.

The square root of 5171126257 is about 71910.5434341863. The cubic root of 5171126257 is about 1729.2656463137.

The spelling of 5171126257 in words is "five billion, one hundred seventy-one million, one hundred twenty-six thousand, two hundred fifty-seven".