5125221 has 8 divisors (see below), whose sum is σ = 7592960. Its totient is φ = 3416796.

The previous prime is 5125201. The next prime is 5125223. The reversal of 5125221 is 1225215.

It is not a de Polignac number, because 5125221 - 2⁶ = 5125157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5125194 and 5125203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5125223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94885 + ... + 94938.

It is an arithmetic number, because the mean of its divisors is an integer number (949120).

Almost surely, 2^5125221 is an apocalyptic number.

It is an amenable number.

5125221 is a deficient number, since it is larger than the sum of its proper divisors (2467739).

5125221 is a wasteful number, since it uses less digits than its factorization.

5125221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189832 (or 189826 counting only the distinct ones).

The product of its digits is 200, while the sum is 18.

The square root of 5125221 is about 2263.8950947427. The cubic root of 5125221 is about 172.4133402144.

The spelling of 5125221 in words is "five million, one hundred twenty-five thousand, two hundred twenty-one".