652021039 has 2 divisors, whose sum is σ = 652021040. Its totient is φ = 652021038.

The previous prime is 652021037. The next prime is 652021057. The reversal of 652021039 is 930120256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 652021039 - 2¹ = 652021037 is a prime.

Together with 652021037, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 652020998 and 652021016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652021037) 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, 326010519 + 326010520.

It is an arithmetic number, because the mean of its divisors is an integer number (326010520).

Almost surely, 2^652021039 is an apocalyptic number.

652021039 is a deficient number, since it is larger than the sum of its proper divisors (1).

652021039 is an equidigital number, since it uses as much as digits as its factorization.

652021039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 652021039 is about 25534.7026416992. The cubic root of 652021039 is about 867.1359728596.

The spelling of 652021039 in words is "six hundred fifty-two million, twenty-one thousand, thirty-nine".