535244321 has 2 divisors, whose sum is σ = 535244322. Its totient is φ = 535244320.

The previous prime is 535244291. The next prime is 535244323. The reversal of 535244321 is 123442535.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280395025 + 254849296 = 16745^2 + 15964^2 .

It is a cyclic number.

It is not a de Polignac number, because 535244321 - 2¹⁸ = 534982177 is a prime.

Together with 535244323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (535244323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267622160 + 267622161.

It is an arithmetic number, because the mean of its divisors is an integer number (267622161).

Almost surely, 2^535244321 is an apocalyptic number.

It is an amenable number.

535244321 is a deficient number, since it is larger than the sum of its proper divisors (1).

535244321 is an equidigital number, since it uses as much as digits as its factorization.

535244321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 29.

The square root of 535244321 is about 23135.3478685755. The cubic root of 535244321 is about 811.9276959449.

Adding to 535244321 its reverse (123442535), we get a palindrome (658686856).

The spelling of 535244321 in words is "five hundred thirty-five million, two hundred forty-four thousand, three hundred twenty-one".