652408663 has 2 divisors, whose sum is σ = 652408664. Its totient is φ = 652408662.

The previous prime is 652408657. The next prime is 652408667. The reversal of 652408663 is 366804256.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 652408663 - 2¹³ = 652400471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652408667) 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, 326204331 + 326204332.

It is an arithmetic number, because the mean of its divisors is an integer number (326204332).

Almost surely, 2^652408663 is an apocalyptic number.

652408663 is a deficient number, since it is larger than the sum of its proper divisors (1).

652408663 is an equidigital number, since it uses as much as digits as its factorization.

652408663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 652408663 is about 25542.2916552137. The cubic root of 652408663 is about 867.3077751524.

The spelling of 652408663 in words is "six hundred fifty-two million, four hundred eight thousand, six hundred sixty-three".