535542321 has 4 divisors (see below), whose sum is σ = 714056432. Its totient is φ = 357028212.

The previous prime is 535542289. The next prime is 535542353. The reversal of 535542321 is 123245535.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (535542289) and next prime (535542353).

It is not a de Polignac number, because 535542321 - 2⁵ = 535542289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (535542361) 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, 89257051 + ... + 89257056.

It is an arithmetic number, because the mean of its divisors is an integer number (178514108).

Almost surely, 2^535542321 is an apocalyptic number.

It is an amenable number.

535542321 is a deficient number, since it is larger than the sum of its proper divisors (178514111).

535542321 is a wasteful number, since it uses less digits than its factorization.

535542321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178514110.

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

The square root of 535542321 is about 23141.7873337389. The cubic root of 535542321 is about 812.0783496150.

Adding to 535542321 its reverse (123245535), we get a palindrome (658787856).

The spelling of 535542321 in words is "five hundred thirty-five million, five hundred forty-two thousand, three hundred twenty-one".