5205571 has 8 divisors (see below), whose sum is σ = 6002784. Its totient is φ = 4421760.

The previous prime is 5205539. The next prime is 5205583. The reversal of 5205571 is 1755025.

It is a happy number.

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

It is not a de Polignac number, because 5205571 - 2⁵ = 5205539 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5205071) 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 7 ways as a sum of consecutive naturals, for example, 2500 + ... + 4081.

It is an arithmetic number, because the mean of its divisors is an integer number (750348).

Almost surely, 2^5205571 is an apocalyptic number.

5205571 is a deficient number, since it is larger than the sum of its proper divisors (797213).

5205571 is a wasteful number, since it uses less digits than its factorization.

5205571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6701.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 5205571 is about 2281.5720457614. The cubic root of 5205571 is about 173.3096684490.

It can be divided in two parts, 5205 and 571, that added together give a square (5776 = 76²).

The spelling of 5205571 in words is "five million, two hundred five thousand, five hundred seventy-one".