752801321 has 2 divisors, whose sum is σ = 752801322. Its totient is φ = 752801320.

The previous prime is 752801267. The next prime is 752801323. The reversal of 752801321 is 123108257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 454755625 + 298045696 = 21325^2 + 17264^2 .

It is a cyclic number.

It is not a de Polignac number, because 752801321 - 2¹⁰ = 752800297 is a prime.

Together with 752801323, 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 (752801323) 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, 376400660 + 376400661.

It is an arithmetic number, because the mean of its divisors is an integer number (376400661).

Almost surely, 2^752801321 is an apocalyptic number.

It is an amenable number.

752801321 is a deficient number, since it is larger than the sum of its proper divisors (1).

752801321 is an equidigital number, since it uses as much as digits as its factorization.

752801321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 752801321 is about 27437.2250965727. The cubic root of 752801321 is about 909.6900772078.

Adding to 752801321 its reverse (123108257), we get a palindrome (875909578).

The spelling of 752801321 in words is "seven hundred fifty-two million, eight hundred one thousand, three hundred twenty-one".