444534313 has 4 divisors (see below), whose sum is σ = 445726468. Its totient is φ = 443342160.

The previous prime is 444534289. The next prime is 444534331. The reversal of 444534313 is 313435444.

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 118984464 + 325549849 = 10908^2 + 18043^2 .

It is a cyclic number.

It is not a de Polignac number, because 444534313 - 2¹⁷ = 444403241 is a prime.

It is a super-2 number, since 2×444534313² = 395221510868763938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444534913) 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, 595518 + ... + 596263.

It is an arithmetic number, because the mean of its divisors is an integer number (111431617).

Almost surely, 2^444534313 is an apocalyptic number.

It is an amenable number.

444534313 is a deficient number, since it is larger than the sum of its proper divisors (1192155).

444534313 is a wasteful number, since it uses less digits than its factorization.

444534313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192154.

The product of its digits is 34560, while the sum is 31.

The square root of 444534313 is about 21083.9823799964. The cubic root of 444534313 is about 763.1942618101.

Adding to 444534313 its reverse (313435444), we get a palindrome (757969757).

The spelling of 444534313 in words is "four hundred forty-four million, five hundred thirty-four thousand, three hundred thirteen".