5107221 has 36 divisors (see below), whose sum is σ = 8841612. Its totient is φ = 2830464.

The previous prime is 5107213. The next prime is 5107231. The reversal of 5107221 is 1227015.

It can be written as a sum of positive squares in 2 ways, for example, as 1920996 + 3186225 = 1386^2 + 1785^2 .

It is not a de Polignac number, because 5107221 - 2³ = 5107213 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5107194 and 5107203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5107231) 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 35 ways as a sum of consecutive naturals, for example, 16161 + ... + 16473.

Almost surely, 2^5107221 is an apocalyptic number.

It is an amenable number.

5107221 is a deficient number, since it is larger than the sum of its proper divisors (3734391).

5107221 is a wasteful number, since it uses less digits than its factorization.

5107221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 5107221 is about 2259.9161488869. The cubic root of 5107221 is about 172.2112624004.

The spelling of 5107221 in words is "five million, one hundred seven thousand, two hundred twenty-one".