206764097 has 2 divisors, whose sum is σ = 206764098. Its totient is φ = 206764096.

The previous prime is 206764091. The next prime is 206764111. The reversal of 206764097 is 790467602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206468161 + 295936 = 14369^2 + 544^2 .

It is a cyclic number.

It is not a de Polignac number, because 206764097 - 2²² = 202569793 is a prime.

It is not a weakly prime, because it can be changed into another prime (206764091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103382048 + 103382049.

It is an arithmetic number, because the mean of its divisors is an integer number (103382049).

Almost surely, 2^206764097 is an apocalyptic number.

It is an amenable number.

206764097 is a deficient number, since it is larger than the sum of its proper divisors (1).

206764097 is an equidigital number, since it uses as much as digits as its factorization.

206764097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 206764097 is about 14379.2940369129. The cubic root of 206764097 is about 591.3233695957.

The spelling of 206764097 in words is "two hundred six million, seven hundred sixty-four thousand, ninety-seven".