535232321 has 8 divisors (see below), whose sum is σ = 578799144. Its totient is φ = 492007680.

The previous prime is 535232303. The next prime is 535232353. The reversal of 535232321 is 123232535.

It can be written as a sum of positive squares in 4 ways, for example, as 78127921 + 457104400 = 8839^2 + 21380^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 535232321 - 2¹⁰ = 535231297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (535232521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82286 + ... + 88551.

It is an arithmetic number, because the mean of its divisors is an integer number (72349893).

Almost surely, 2^535232321 is an apocalyptic number.

It is an amenable number.

535232321 is a deficient number, since it is larger than the sum of its proper divisors (43566823).

535232321 is a wasteful number, since it uses less digits than its factorization.

535232321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171091.

The product of its digits is 5400, while the sum is 26.

The square root of 535232321 is about 23135.0885237122. The cubic root of 535232321 is about 811.9216281831.

Adding to 535232321 its reverse (123232535), we get a palindrome (658464856).

It can be divided in two parts, 5352 and 32321, that added together give a palindrome (37673).

The spelling of 535232321 in words is "five hundred thirty-five million, two hundred thirty-two thousand, three hundred twenty-one".