5187317345 has 16 divisors (see below), whose sum is σ = 7161155328. Its totient is φ = 3533457600.

The previous prime is 5187317323. The next prime is 5187317371. The reversal of 5187317345 is 5437137815.

It is not a de Polignac number, because 5187317345 - 2¹⁸ = 5187055201 is a prime.

It is a super-2 number, since 2×5187317345² = 53816522475475698050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5187317296 and 5187317305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485474 + ... + 496043.

It is an arithmetic number, because the mean of its divisors is an integer number (447572208).

Almost surely, 2^5187317345 is an apocalyptic number.

It is an amenable number.

5187317345 is a deficient number, since it is larger than the sum of its proper divisors (1973837983).

5187317345 is a wasteful number, since it uses less digits than its factorization.

5187317345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981680.

The product of its digits is 352800, while the sum is 44.

The square root of 5187317345 is about 72023.0334337565. The cubic root of 5187317345 is about 1731.0685753574.

The spelling of 5187317345 in words is "five billion, one hundred eighty-seven million, three hundred seventeen thousand, three hundred forty-five".