5152171191 has 4 divisors (see below), whose sum is σ = 6869561592. Its totient is φ = 3434780792.

The previous prime is 5152171187. The next prime is 5152171217. The reversal of 5152171191 is 1911712515.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5152171191 - 2² = 5152171187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5152131191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858695196 + ... + 858695201.

It is an arithmetic number, because the mean of its divisors is an integer number (1717390398).

Almost surely, 2^5152171191 is an apocalyptic number.

5152171191 is a deficient number, since it is larger than the sum of its proper divisors (1717390401).

5152171191 is a wasteful number, since it uses less digits than its factorization.

5152171191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717390400.

The product of its digits is 3150, while the sum is 33.

The square root of 5152171191 is about 71778.6262824805. The cubic root of 5152171191 is about 1727.1501512295.

The spelling of 5152171191 in words is "five billion, one hundred fifty-two million, one hundred seventy-one thousand, one hundred ninety-one".