533355421 has 4 divisors (see below), whose sum is σ = 538248700. Its totient is φ = 528462144.

The previous prime is 533355419. The next prime is 533355437. The reversal of 533355421 is 124553335.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 487305625 + 46049796 = 22075^2 + 6786^2 .

It is a cyclic number.

It is not a de Polignac number, because 533355421 - 2¹ = 533355419 is a prime.

It is a super-2 number, since 2×533355421² = 568936010220174482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533355451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2446476 + ... + 2446693.

It is an arithmetic number, because the mean of its divisors is an integer number (134562175).

Almost surely, 2^533355421 is an apocalyptic number.

It is an amenable number.

533355421 is a deficient number, since it is larger than the sum of its proper divisors (4893279).

533355421 is a wasteful number, since it uses less digits than its factorization.

533355421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4893278.

The product of its digits is 27000, while the sum is 31.

The square root of 533355421 is about 23094.4889746450. The cubic root of 533355421 is about 810.9714610594.

The spelling of 533355421 in words is "five hundred thirty-three million, three hundred fifty-five thousand, four hundred twenty-one".