663242351 has 2 divisors, whose sum is σ = 663242352. Its totient is φ = 663242350.

The previous prime is 663242341. The next prime is 663242399. The reversal of 663242351 is 153242366.

663242351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 663242351 - 2⁶ = 663242287 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (663242341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331621175 + 331621176.

It is an arithmetic number, because the mean of its divisors is an integer number (331621176).

Almost surely, 2^663242351 is an apocalyptic number.

663242351 is a deficient number, since it is larger than the sum of its proper divisors (1).

663242351 is an equidigital number, since it uses as much as digits as its factorization.

663242351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 32.

The square root of 663242351 is about 25753.4920156471. The cubic root of 663242351 is about 872.0821888802.

The spelling of 663242351 in words is "six hundred sixty-three million, two hundred forty-two thousand, three hundred fifty-one".