652427969 has 2 divisors, whose sum is σ = 652427970. Its totient is φ = 652427968.

The previous prime is 652427911. The next prime is 652427999. The reversal of 652427969 is 969724256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 640697344 + 11730625 = 25312^2 + 3425^2 .

It is a cyclic number.

It is not a de Polignac number, because 652427969 - 2¹⁶ = 652362433 is a prime.

It is a super-2 number, since 2×652427969² = 851324509466929922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (652427999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326213984 + 326213985.

It is an arithmetic number, because the mean of its divisors is an integer number (326213985).

Almost surely, 2^652427969 is an apocalyptic number.

It is an amenable number.

652427969 is a deficient number, since it is larger than the sum of its proper divisors (1).

652427969 is an equidigital number, since it uses as much as digits as its factorization.

652427969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 50.

The square root of 652427969 is about 25542.6695746549. The cubic root of 652427969 is about 867.3163301578.

The spelling of 652427969 in words is "six hundred fifty-two million, four hundred twenty-seven thousand, nine hundred sixty-nine".