652013321 has 2 divisors, whose sum is σ = 652013322. Its totient is φ = 652013320.

The previous prime is 652013303. The next prime is 652013333. The reversal of 652013321 is 123310256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 616777225 + 35236096 = 24835^2 + 5936^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652013321 is a prime.

It is a super-2 number, since 2×652013321² = 850242741522898082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (652013521) 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, 326006660 + 326006661.

It is an arithmetic number, because the mean of its divisors is an integer number (326006661).

Almost surely, 2^652013321 is an apocalyptic number.

It is an amenable number.

652013321 is a deficient number, since it is larger than the sum of its proper divisors (1).

652013321 is an equidigital number, since it uses as much as digits as its factorization.

652013321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 652013321 is about 25534.5515135864. The cubic root of 652013321 is about 867.1325514046.

Adding to 652013321 its reverse (123310256), we get a palindrome (775323577).

The spelling of 652013321 in words is "six hundred fifty-two million, thirteen thousand, three hundred twenty-one".