5256221 has 8 divisors (see below), whose sum is σ = 5469600. Its totient is φ = 5045040.

The previous prime is 5256197. The next prime is 5256233. The reversal of 5256221 is 1226525.

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 5256221 - 2²² = 1061917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5690 + ... + 6548.

It is an arithmetic number, because the mean of its divisors is an integer number (683700).

Almost surely, 2^5256221 is an apocalyptic number.

It is an amenable number.

5256221 is a deficient number, since it is larger than the sum of its proper divisors (213379).

5256221 is a wasteful number, since it uses less digits than its factorization.

5256221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099.

The product of its digits is 1200, while the sum is 23.

The square root of 5256221 is about 2292.6449790580. The cubic root of 5256221 is about 173.8699539145.

The spelling of 5256221 in words is "five million, two hundred fifty-six thousand, two hundred twenty-one".