5437321 has 4 divisors (see below), whose sum is σ = 5445700. Its totient is φ = 5428944.

The previous prime is 5437309. The next prime is 5437339. The reversal of 5437321 is 1237345.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3111696 + 2325625 = 1764^2 + 1525^2 .

It is a cyclic number.

It is not a de Polignac number, because 5437321 - 2⁷ = 5437193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5437301) 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, 3126 + ... + 4543.

It is an arithmetic number, because the mean of its divisors is an integer number (1361425).

Almost surely, 2^5437321 is an apocalyptic number.

It is an amenable number.

5437321 is a deficient number, since it is larger than the sum of its proper divisors (8379).

5437321 is an equidigital number, since it uses as much as digits as its factorization.

5437321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8378.

The product of its digits is 2520, while the sum is 25.

The square root of 5437321 is about 2331.8063813276. The cubic root of 5437321 is about 175.8443117863.

The spelling of 5437321 in words is "five million, four hundred thirty-seven thousand, three hundred twenty-one".