5417821 has 4 divisors (see below), whose sum is σ = 5498752. Its totient is φ = 5336892.

The previous prime is 5417807. The next prime is 5417827. The reversal of 5417821 is 1287145.

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 5417821 - 2¹³ = 5409629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5417821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5417827) 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 3 ways as a sum of consecutive naturals, for example, 40365 + ... + 40498.

It is an arithmetic number, because the mean of its divisors is an integer number (1374688).

Almost surely, 2^5417821 is an apocalyptic number.

It is an amenable number.

5417821 is a deficient number, since it is larger than the sum of its proper divisors (80931).

5417821 is an equidigital number, since it uses as much as digits as its factorization.

5417821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80930.

The product of its digits is 2240, while the sum is 28.

The square root of 5417821 is about 2327.6213179983. The cubic root of 5417821 is about 175.6338483741.

The spelling of 5417821 in words is "five million, four hundred seventeen thousand, eight hundred twenty-one".