5571247 has 8 divisors (see below), whose sum is σ = 6095232. Its totient is φ = 5050200.

The previous prime is 5571233. The next prime is 5571271. The reversal of 5571247 is 7421755.

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

It is a cyclic number.

It is not a de Polignac number, because 5571247 - 2¹¹ = 5569199 is a prime.

5571247 is a lucky number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5571347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5838 + ... + 6724.

It is an arithmetic number, because the mean of its divisors is an integer number (761904).

Almost surely, 2^5571247 is an apocalyptic number.

5571247 is a deficient number, since it is larger than the sum of its proper divisors (523985).

5571247 is a wasteful number, since it uses less digits than its factorization.

5571247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469.

The product of its digits is 9800, while the sum is 31.

The square root of 5571247 is about 2360.3489148853. The cubic root of 5571247 is about 177.2763512657.

The spelling of 5571247 in words is "five million, five hundred seventy-one thousand, two hundred forty-seven".