5171665 has 8 divisors (see below), whose sum is σ = 6475968. Its totient is φ = 3957360.

The previous prime is 5171659. The next prime is 5171681. The reversal of 5171665 is 5661715.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5171665 - 2⁵ = 5171633 is a prime.

It is a super-2 number, since 2×5171665² = 53492237744450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22371 + ... + 22600.

It is an arithmetic number, because the mean of its divisors is an integer number (809496).

Almost surely, 2^5171665 is an apocalyptic number.

It is an amenable number.

5171665 is a deficient number, since it is larger than the sum of its proper divisors (1304303).

5171665 is a wasteful number, since it uses less digits than its factorization.

5171665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44999.

The product of its digits is 6300, while the sum is 31.

The square root of 5171665 is about 2274.1295037882. The cubic root of 5171665 is about 172.9325697539.

The spelling of 5171665 in words is "five million, one hundred seventy-one thousand, six hundred sixty-five".