206934971 has 2 divisors, whose sum is σ = 206934972. Its totient is φ = 206934970.

The previous prime is 206934953. The next prime is 206934983. The reversal of 206934971 is 179439602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206934971 - 2¹⁸ = 206672827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (206934901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103467485 + 103467486.

It is an arithmetic number, because the mean of its divisors is an integer number (103467486).

Almost surely, 2^206934971 is an apocalyptic number.

206934971 is a deficient number, since it is larger than the sum of its proper divisors (1).

206934971 is an equidigital number, since it uses as much as digits as its factorization.

206934971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 206934971 is about 14385.2344784505. The cubic root of 206934971 is about 591.4862185774.

The spelling of 206934971 in words is "two hundred six million, nine hundred thirty-four thousand, nine hundred seventy-one".