5221657 has 4 divisors (see below), whose sum is σ = 5967616. Its totient is φ = 4475700.

The previous prime is 5221651. The next prime is 5221673. The reversal of 5221657 is 7561225.

5221657 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5221657 - 2³ = 5221649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5221651) 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 3 ways as a sum of consecutive naturals, for example, 372969 + ... + 372982.

It is an arithmetic number, because the mean of its divisors is an integer number (1491904).

Almost surely, 2^5221657 is an apocalyptic number.

It is an amenable number.

5221657 is a deficient number, since it is larger than the sum of its proper divisors (745959).

5221657 is an equidigital number, since it uses as much as digits as its factorization.

5221657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745958.

The product of its digits is 4200, while the sum is 28.

The square root of 5221657 is about 2285.0945275852. The cubic root of 5221657 is about 173.4880025589.

The spelling of 5221657 in words is "five million, two hundred twenty-one thousand, six hundred fifty-seven".