5105221 has 8 divisors (see below), whose sum is σ = 5586624. Its totient is φ = 4626720.

The previous prime is 5105203. The next prime is 5105231. The reversal of 5105221 is 1225015.

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 5105221 - 2¹¹ = 5103173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5105195 and 5105204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5105231) 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, 4881 + ... + 5833.

It is an arithmetic number, because the mean of its divisors is an integer number (698328).

Almost surely, 2^5105221 is an apocalyptic number.

It is an amenable number.

5105221 is a deficient number, since it is larger than the sum of its proper divisors (481403).

5105221 is a wasteful number, since it uses less digits than its factorization.

5105221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 5105221 is about 2259.4736112644. The cubic root of 5105221 is about 172.1887800176.

The spelling of 5105221 in words is "five million, one hundred five thousand, two hundred twenty-one".