209204059 has 2 divisors, whose sum is σ = 209204060. Its totient is φ = 209204058.

The previous prime is 209204053. The next prime is 209204063. The reversal of 209204059 is 950402902.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 209204059 - 2⁷ = 209203931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 209204059.

It is not a weakly prime, because it can be changed into another prime (209204053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104602029 + 104602030.

It is an arithmetic number, because the mean of its divisors is an integer number (104602030).

Almost surely, 2^209204059 is an apocalyptic number.

209204059 is a deficient number, since it is larger than the sum of its proper divisors (1).

209204059 is an equidigital number, since it uses as much as digits as its factorization.

209204059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 209204059 is about 14463.8881010605. Note that the first 3 decimals coincide. The cubic root of 209204059 is about 593.6402903632.

The spelling of 209204059 in words is "two hundred nine million, two hundred four thousand, fifty-nine".