5165571 has 4 divisors (see below), whose sum is σ = 6887432. Its totient is φ = 3443712.

The previous prime is 5165557. The next prime is 5165579. The reversal of 5165571 is 1755615.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5165571 - 2¹⁰ = 5164547 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5165579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860926 + ... + 860931.

It is an arithmetic number, because the mean of its divisors is an integer number (1721858).

Almost surely, 2^5165571 is an apocalyptic number.

5165571 is a deficient number, since it is larger than the sum of its proper divisors (1721861).

5165571 is a wasteful number, since it uses less digits than its factorization.

5165571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721860.

The product of its digits is 5250, while the sum is 30.

The square root of 5165571 is about 2272.7892555184. The cubic root of 5165571 is about 172.8646183763.

The spelling of 5165571 in words is "five million, one hundred sixty-five thousand, five hundred seventy-one".