535241252321 has 4 divisors (see below), whose sum is σ = 541689942192. Its totient is φ = 528792562452.

The previous prime is 535241252279. The next prime is 535241252323. The reversal of 535241252321 is 123252142535.

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 a cyclic number.

It is not a de Polignac number, because 535241252321 - 2¹⁴ = 535241235937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (535241252323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3224344811 + ... + 3224344976.

It is an arithmetic number, because the mean of its divisors is an integer number (135422485548).

Almost surely, 2^535241252321 is an apocalyptic number.

It is an amenable number.

535241252321 is a deficient number, since it is larger than the sum of its proper divisors (6448689871).

535241252321 is an equidigital number, since it uses as much as digits as its factorization.

535241252321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6448689870.

The product of its digits is 72000, while the sum is 35.

Adding to 535241252321 its reverse (123252142535), we get a palindrome (658493394856).

The spelling of 535241252321 in words is "five hundred thirty-five billion, two hundred forty-one million, two hundred fifty-two thousand, three hundred twenty-one".