535523421 has 16 divisors (see below), whose sum is σ = 748877184. Its totient is φ = 339751104.

The previous prime is 535523411. The next prime is 535523441. The reversal of 535523421 is 124325535.

It is not a de Polignac number, because 535523421 - 2¹⁰ = 535522397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535523411) 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, 6106 + ... + 33291.

It is an arithmetic number, because the mean of its divisors is an integer number (46804824).

Almost surely, 2^535523421 is an apocalyptic number.

It is an amenable number.

535523421 is a deficient number, since it is larger than the sum of its proper divisors (213353763).

535523421 is a wasteful number, since it uses less digits than its factorization.

535523421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39620.

The product of its digits is 18000, while the sum is 30.

The square root of 535523421 is about 23141.3789779261. The cubic root of 535523421 is about 812.0687963947.

Adding to 535523421 its reverse (124325535), we get a palindrome (659848956).

The spelling of 535523421 in words is "five hundred thirty-five million, five hundred twenty-three thousand, four hundred twenty-one".