533541421 has 8 divisors (see below), whose sum is σ = 613646720. Its totient is φ = 454407408.

The previous prime is 533541409. The next prime is 533541427. The reversal of 533541421 is 124145335.

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

It is not a de Polignac number, because 533541421 - 2¹⁷ = 533410349 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 533541421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533541427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241641 + ... + 243838.

It is an arithmetic number, because the mean of its divisors is an integer number (76705840).

Almost surely, 2^533541421 is an apocalyptic number.

It is an amenable number.

533541421 is a deficient number, since it is larger than the sum of its proper divisors (80105299).

533541421 is a wasteful number, since it uses less digits than its factorization.

533541421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485643.

The product of its digits is 7200, while the sum is 28.

The square root of 533541421 is about 23098.5155583644. The cubic root of 533541421 is about 811.0657216311.

Adding to 533541421 its reverse (124145335), we get a palindrome (657686756).

The spelling of 533541421 in words is "five hundred thirty-three million, five hundred forty-one thousand, four hundred twenty-one".