441312513 has 4 divisors (see below), whose sum is σ = 588416688. Its totient is φ = 294208340.

The previous prime is 441312457. The next prime is 441312533. The reversal of 441312513 is 315213144.

It is a happy number.

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-441312513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (441312533) 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, 73552083 + ... + 73552088.

It is an arithmetic number, because the mean of its divisors is an integer number (147104172).

Almost surely, 2^441312513 is an apocalyptic number.

It is an amenable number.

441312513 is a deficient number, since it is larger than the sum of its proper divisors (147104175).

441312513 is a wasteful number, since it uses less digits than its factorization.

441312513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147104174.

The product of its digits is 1440, while the sum is 24.

The square root of 441312513 is about 21007.4394679599. The cubic root of 441312513 is about 761.3460178551.

Adding to 441312513 its reverse (315213144), we get a palindrome (756525657).

The spelling of 441312513 in words is "four hundred forty-one million, three hundred twelve thousand, five hundred thirteen".