652172953 has 2 divisors, whose sum is σ = 652172954. Its totient is φ = 652172952.

The previous prime is 652172903. The next prime is 652172971. The reversal of 652172953 is 359271256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 586027264 + 66145689 = 24208^2 + 8133^2 .

It is a cyclic number.

It is not a de Polignac number, because 652172953 - 2⁹ = 652172441 is a prime.

It is not a weakly prime, because it can be changed into another prime (652172903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326086476 + 326086477.

It is an arithmetic number, because the mean of its divisors is an integer number (326086477).

Almost surely, 2^652172953 is an apocalyptic number.

It is an amenable number.

652172953 is a deficient number, since it is larger than the sum of its proper divisors (1).

652172953 is an equidigital number, since it uses as much as digits as its factorization.

652172953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 40.

The square root of 652172953 is about 25537.6771261601. The cubic root of 652172953 is about 867.2033121309.

The spelling of 652172953 in words is "six hundred fifty-two million, one hundred seventy-two thousand, nine hundred fifty-three".