5221405 has 8 divisors (see below), whose sum is σ = 7160832. Its totient is φ = 3580368.

The previous prime is 5221399. The next prime is 5221451. The reversal of 5221405 is 5041225.

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 5221405 - 2⁵ = 5221373 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 74557 + ... + 74626.

It is an arithmetic number, because the mean of its divisors is an integer number (895104).

Almost surely, 2^5221405 is an apocalyptic number.

It is an amenable number.

5221405 is a deficient number, since it is larger than the sum of its proper divisors (1939427).

5221405 is a wasteful number, since it uses less digits than its factorization.

5221405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149195.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 5221405 is about 2285.0393869691. The cubic root of 5221405 is about 173.4852116389.

The spelling of 5221405 in words is "five million, two hundred twenty-one thousand, four hundred five".