533412021 has 16 divisors (see below), whose sum is σ = 749798784. Its totient is φ = 336635904.

The previous prime is 533412001. The next prime is 533412041. The reversal of 533412021 is 120214335.

It is an interprime number because it is at equal distance from previous prime (533412001) and next prime (533412041).

It is not a de Polignac number, because 533412021 - 2²¹ = 531314869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533412001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33156 + ... + 46541.

It is an arithmetic number, because the mean of its divisors is an integer number (46862424).

Almost surely, 2^533412021 is an apocalyptic number.

It is an amenable number.

533412021 is a deficient number, since it is larger than the sum of its proper divisors (216386763).

533412021 is a wasteful number, since it uses less digits than its factorization.

533412021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79820.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 533412021 is about 23095.7143427087. The cubic root of 533412021 is about 811.0001469721. Note that the first 3 decimals are identical.

Adding to 533412021 its reverse (120214335), we get a palindrome (653626356).

The spelling of 533412021 in words is "five hundred thirty-three million, four hundred twelve thousand, twenty-one".