441333013 has 4 divisors (see below), whose sum is σ = 481454208. Its totient is φ = 401211820.

The previous prime is 441332977. The next prime is 441333023. The reversal of 441333013 is 310333144.

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 not a de Polignac number, because 441333013 - 2⁹ = 441332501 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441333023) 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, 20060581 + ... + 20060602.

It is an arithmetic number, because the mean of its divisors is an integer number (120363552).

Almost surely, 2^441333013 is an apocalyptic number.

It is an amenable number.

441333013 is a deficient number, since it is larger than the sum of its proper divisors (40121195).

441333013 is a wasteful number, since it uses less digits than its factorization.

441333013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40121194.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 441333013 is about 21007.9273846803. The cubic root of 441333013 is about 761.3578064412.

Adding to 441333013 its reverse (310333144), we get a palindrome (751666157).

The spelling of 441333013 in words is "four hundred forty-one million, three hundred thirty-three thousand, thirteen".