5177221 has 4 divisors (see below), whose sum is σ = 5916832. Its totient is φ = 4437612.

The previous prime is 5177209. The next prime is 5177239. The reversal of 5177221 is 1227715.

It is a happy number.

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 5177221 - 2⁹ = 5176709 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 (5177261) 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, 369795 + ... + 369808.

It is an arithmetic number, because the mean of its divisors is an integer number (1479208).

Almost surely, 2^5177221 is an apocalyptic number.

It is an amenable number.

5177221 is a deficient number, since it is larger than the sum of its proper divisors (739611).

5177221 is an equidigital number, since it uses as much as digits as its factorization.

5177221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739610.

The product of its digits is 980, while the sum is 25.

The square root of 5177221 is about 2275.3507421934. The cubic root of 5177221 is about 172.9944756386.

The spelling of 5177221 in words is "five million, one hundred seventy-seven thousand, two hundred twenty-one".