209452063 has 2 divisors, whose sum is σ = 209452064. Its totient is φ = 209452062.

The previous prime is 209452049. The next prime is 209452073. The reversal of 209452063 is 360254902.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 209452063 - 2⁹ = 209451551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (209452073) 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, 104726031 + 104726032.

It is an arithmetic number, because the mean of its divisors is an integer number (104726032).

Almost surely, 2^209452063 is an apocalyptic number.

209452063 is a deficient number, since it is larger than the sum of its proper divisors (1).

209452063 is an equidigital number, since it uses as much as digits as its factorization.

209452063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 209452063 is about 14472.4587752047. The cubic root of 209452063 is about 593.8747775728.

The spelling of 209452063 in words is "two hundred nine million, four hundred fifty-two thousand, sixty-three".