208375049 has 2 divisors, whose sum is σ = 208375050. Its totient is φ = 208375048.

The previous prime is 208375043. The next prime is 208375073. The reversal of 208375049 is 940573802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181387024 + 26988025 = 13468^2 + 5195^2 .

It is a cyclic number.

It is not a de Polignac number, because 208375049 - 2¹⁶ = 208309513 is a prime.

It is a super-2 number, since 2×208375049² = 86840322091504802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (208375043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104187524 + 104187525.

It is an arithmetic number, because the mean of its divisors is an integer number (104187525).

Almost surely, 2^208375049 is an apocalyptic number.

It is an amenable number.

208375049 is a deficient number, since it is larger than the sum of its proper divisors (1).

208375049 is an equidigital number, since it uses as much as digits as its factorization.

208375049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 208375049 is about 14435.2017304920. The cubic root of 208375049 is about 592.8551156212.

The spelling of 208375049 in words is "two hundred eight million, three hundred seventy-five thousand, forty-nine".