441434521 has 8 divisors (see below), whose sum is σ = 483727104. Its totient is φ = 399502320.

The previous prime is 441434471. The next prime is 441434527. The reversal of 441434521 is 125434144.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 441434521 - 2²⁵ = 407880089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 441434521.

It is not an unprimeable number, because it can be changed into a prime (441434527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87526 + ... + 92431.

It is an arithmetic number, because the mean of its divisors is an integer number (60465888).

Almost surely, 2^441434521 is an apocalyptic number.

It is an amenable number.

441434521 is a deficient number, since it is larger than the sum of its proper divisors (42292583).

441434521 is a wasteful number, since it uses less digits than its factorization.

441434521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180191.

The product of its digits is 7680, while the sum is 28.

The square root of 441434521 is about 21010.3431909143. The cubic root of 441434521 is about 761.4161735408.

Adding to 441434521 its reverse (125434144), we get a palindrome (566868665).

The spelling of 441434521 in words is "four hundred forty-one million, four hundred thirty-four thousand, five hundred twenty-one".