5343821 has 4 divisors (see below), whose sum is σ = 6107232. Its totient is φ = 4580412.

The previous prime is 5343803. The next prime is 5343841. The reversal of 5343821 is 1283435.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1283435 = 5 ⋅256687.

It is a cyclic number.

It is not a de Polignac number, because 5343821 - 2⁶ = 5343757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5343841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381695 + ... + 381708.

It is an arithmetic number, because the mean of its divisors is an integer number (1526808).

Almost surely, 2^5343821 is an apocalyptic number.

It is an amenable number.

5343821 is a deficient number, since it is larger than the sum of its proper divisors (763411).

5343821 is an equidigital number, since it uses as much as digits as its factorization.

5343821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763410.

The product of its digits is 2880, while the sum is 26.

The square root of 5343821 is about 2311.6706080236. The cubic root of 5343821 is about 174.8305407209.

The spelling of 5343821 in words is "five million, three hundred forty-three thousand, eight hundred twenty-one".