5521247 has 4 divisors (see below), whose sum is σ = 5543496. Its totient is φ = 5499000.

The previous prime is 5521213. The next prime is 5521249. The reversal of 5521247 is 7421255.

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

It is a cyclic number.

It is not a de Polignac number, because 5521247 - 2¹² = 5517151 is a prime.

It is a Duffinian 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 (5521249) 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, 10748 + ... + 11249.

It is an arithmetic number, because the mean of its divisors is an integer number (1385874).

Almost surely, 2^5521247 is an apocalyptic number.

5521247 is a deficient number, since it is larger than the sum of its proper divisors (22249).

5521247 is a wasteful number, since it uses less digits than its factorization.

5521247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22248.

The product of its digits is 2800, while the sum is 26.

The square root of 5521247 is about 2349.7333891316. The cubic root of 5521247 is about 176.7444256408.

The spelling of 5521247 in words is "five million, five hundred twenty-one thousand, two hundred forty-seven".