544023313 has 4 divisors (see below), whose sum is σ = 544107760. Its totient is φ = 543938868.

The previous prime is 544023299. The next prime is 544023331. The reversal of 544023313 is 313320445.

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 a de Polignac number, because none of the positive numbers 2^k-544023313 is a prime.

It is a super-2 number, since 2×544023313² = 591922730174991938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544023353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31683 + ... + 45736.

It is an arithmetic number, because the mean of its divisors is an integer number (136026940).

Almost surely, 2^544023313 is an apocalyptic number.

It is an amenable number.

544023313 is a deficient number, since it is larger than the sum of its proper divisors (84447).

544023313 is an equidigital number, since it uses as much as digits as its factorization.

544023313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84446.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 544023313 is about 23324.3073423414. The cubic root of 544023313 is about 816.3426814455.

Adding to 544023313 its reverse (313320445), we get a palindrome (857343758).

The spelling of 544023313 in words is "five hundred forty-four million, twenty-three thousand, three hundred thirteen".