5209171 has 6 divisors (see below), whose sum is σ = 5725916. Its totient is φ = 4735500.

The previous prime is 5209129. The next prime is 5209177. The reversal of 5209171 is 1719025.

It is not a de Polignac number, because 5209171 - 2⁹ = 5208659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5209177) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21405 + ... + 21646.

Almost surely, 2^5209171 is an apocalyptic number.

5209171 is a deficient number, since it is larger than the sum of its proper divisors (516745).

5209171 is a wasteful number, since it uses less digits than its factorization.

5209171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43073 (or 43062 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 5209171 is about 2282.3608391313. The cubic root of 5209171 is about 173.3496109795.

The spelling of 5209171 in words is "five million, two hundred nine thousand, one hundred seventy-one".