652004321 has 2 divisors, whose sum is σ = 652004322. Its totient is φ = 652004320.

The previous prime is 652004293. The next prime is 652004333. The reversal of 652004321 is 123400256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 431808400 + 220195921 = 20780^2 + 14839^2 .

It is a cyclic number.

It is not a de Polignac number, because 652004321 - 2¹⁸ = 651742177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (652004341) 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, 326002160 + 326002161.

It is an arithmetic number, because the mean of its divisors is an integer number (326002161).

Almost surely, 2^652004321 is an apocalyptic number.

It is an amenable number.

652004321 is a deficient number, since it is larger than the sum of its proper divisors (1).

652004321 is an equidigital number, since it uses as much as digits as its factorization.

652004321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 652004321 is about 25534.3752811773. The cubic root of 652004321 is about 867.1285615941.

Adding to 652004321 its reverse (123400256), we get a palindrome (775404577).

The spelling of 652004321 in words is "six hundred fifty-two million, four thousand, three hundred twenty-one".