63242239 has 2 divisors, whose sum is σ = 63242240. Its totient is φ = 63242238.

The previous prime is 63242233. The next prime is 63242251. The reversal of 63242239 is 93224236.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63242239 - 2¹³ = 63234047 is a prime.

It is a super-3 number, since 3×63242239³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63242239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63242233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31621119 + 31621120.

It is an arithmetic number, because the mean of its divisors is an integer number (31621120).

Almost surely, 2^63242239 is an apocalyptic number.

63242239 is a deficient number, since it is larger than the sum of its proper divisors (1).

63242239 is an equidigital number, since it uses as much as digits as its factorization.

63242239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 31.

The square root of 63242239 is about 7952.4989154353. The cubic root of 63242239 is about 398.4150594533.

The spelling of 63242239 in words is "sixty-three million, two hundred forty-two thousand, two hundred thirty-nine".