534011021 has 6 divisors (see below), whose sum is σ = 567271530. Its totient is φ = 502598336.

The previous prime is 534011011. The next prime is 534011077. The reversal of 534011021 is 120110435.

It can be written as a sum of positive squares in 3 ways, for example, as 217562500 + 316448521 = 14750^2 + 17789^2 .

It is not a de Polignac number, because 534011021 - 2¹⁰ = 534009997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534011011) 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 5 ways as a sum of consecutive naturals, for example, 923606 + ... + 924183.

It is an arithmetic number, because the mean of its divisors is an integer number (94545255).

Almost surely, 2^534011021 is an apocalyptic number.

It is an amenable number.

534011021 is a deficient number, since it is larger than the sum of its proper divisors (33260509).

534011021 is a wasteful number, since it uses less digits than its factorization.

534011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847823 (or 1847806 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 534011021 is about 23108.6784780091. The cubic root of 534011021 is about 811.3036068004.

Adding to 534011021 its reverse (120110435), we get a palindrome (654121456).

It can be divided in two parts, 5340 and 11021, that added together give a palindrome (16361).

The spelling of 534011021 in words is "five hundred thirty-four million, eleven thousand, twenty-one".