5171787 has 6 divisors (see below), whose sum is σ = 7470372. Its totient is φ = 3447852.

The previous prime is 5171783. The next prime is 5171801. The reversal of 5171787 is 7871715.

It is not a de Polignac number, because 5171787 - 2² = 5171783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5171783) 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 5 ways as a sum of consecutive naturals, for example, 287313 + ... + 287330.

It is an arithmetic number, because the mean of its divisors is an integer number (1245062).

Almost surely, 2^5171787 is an apocalyptic number.

5171787 is a deficient number, since it is larger than the sum of its proper divisors (2298585).

5171787 is a wasteful number, since it uses less digits than its factorization.

5171787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574649 (or 574646 counting only the distinct ones).

The product of its digits is 13720, while the sum is 36.

The square root of 5171787 is about 2274.1563270804. The cubic root of 5171787 is about 172.9339295744.

It can be divided in two parts, 517 and 1787, that added together give a square (2304 = 48²).

The spelling of 5171787 in words is "five million, one hundred seventy-one thousand, seven hundred eighty-seven".