5171645 has 16 divisors (see below), whose sum is σ = 6462720. Its totient is φ = 3969984.

The previous prime is 5171633. The next prime is 5171659. The reversal of 5171645 is 5461715.

It is a cyclic number.

It is not a de Polignac number, because 5171645 - 2¹² = 5167549 is a prime.

It is a congruent number.

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, 13679 + ... + 14051.

It is an arithmetic number, because the mean of its divisors is an integer number (403920).

Almost surely, 2^5171645 is an apocalyptic number.

It is an amenable number.

5171645 is a deficient number, since it is larger than the sum of its proper divisors (1291075).

5171645 is a wasteful number, since it uses less digits than its factorization.

5171645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484.

The product of its digits is 4200, while the sum is 29.

The square root of 5171645 is about 2274.1251064970. The cubic root of 5171645 is about 172.9323468305.

The spelling of 5171645 in words is "five million, one hundred seventy-one thousand, six hundred forty-five".