533021441 has 4 divisors (see below), whose sum is σ = 533505792. Its totient is φ = 532537092.

The previous prime is 533021369. The next prime is 533021539. The reversal of 533021441 is 144120335.

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-533021441 is a prime.

It is a super-2 number, since 2×533021441² = 568223713131432962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (533021641) 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, 240521 + ... + 242726.

It is an arithmetic number, because the mean of its divisors is an integer number (133376448).

Almost surely, 2^533021441 is an apocalyptic number.

It is an amenable number.

533021441 is a deficient number, since it is larger than the sum of its proper divisors (484351).

533021441 is a wasteful number, since it uses less digits than its factorization.

533021441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484350.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 533021441 is about 23087.2571129617. The cubic root of 533021441 is about 810.8021525699.

Adding to 533021441 its reverse (144120335), we get a palindrome (677141776).

The spelling of 533021441 in words is "five hundred thirty-three million, twenty-one thousand, four hundred forty-one".