5171687451 has 24 divisors (see below), whose sum is σ = 8547651840. Its totient is φ = 2951697456.

The previous prime is 5171687447. The next prime is 5171687461. The reversal of 5171687451 is 1547861715.

5171687451 is a `hidden beast` number, since 51 + 71 + 6 + 87 + 451 = 666.

It is not a de Polignac number, because 5171687451 - 2² = 5171687447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5171687397 and 5171687406.

It is not an unprimeable number, because it can be changed into a prime (5171687401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3936 + ... + 101778.

It is an arithmetic number, because the mean of its divisors is an integer number (356152160).

Almost surely, 2^5171687451 is an apocalyptic number.

5171687451 is a deficient number, since it is larger than the sum of its proper divisors (3375964389).

5171687451 is a wasteful number, since it uses less digits than its factorization.

5171687451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98695 (or 98692 counting only the distinct ones).

The product of its digits is 235200, while the sum is 45.

The square root of 5171687451 is about 71914.4453569657. The cubic root of 5171687451 is about 1729.3281999596.

The spelling of 5171687451 in words is "five billion, one hundred seventy-one million, six hundred eighty-seven thousand, four hundred fifty-one".