535410021 has 16 divisors (see below), whose sum is σ = 754887168. Its totient is φ = 336998400.

The previous prime is 535410011. The next prime is 535410023. The reversal of 535410021 is 120014535.

It is not a de Polignac number, because 535410021 - 2¹⁰ = 535408997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 535410021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535410023) 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 15 ways as a sum of consecutive naturals, for example, 66396 + ... + 74021.

It is an arithmetic number, because the mean of its divisors is an integer number (47180448).

Almost surely, 2^535410021 is an apocalyptic number.

It is an amenable number.

535410021 is a deficient number, since it is larger than the sum of its proper divisors (219477147).

535410021 is a wasteful number, since it uses less digits than its factorization.

535410021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140492.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 535410021 is about 23138.9286917091. The cubic root of 535410021 is about 812.0114723520.

Adding to 535410021 its reverse (120014535), we get a palindrome (655424556).

The spelling of 535410021 in words is "five hundred thirty-five million, four hundred ten thousand, twenty-one".