206961283 has 2 divisors, whose sum is σ = 206961284. Its totient is φ = 206961282.

The previous prime is 206961259. The next prime is 206961289. The reversal of 206961283 is 382169602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206961283 - 2²¹ = 204864131 is a prime.

It is a super-2 number, since 2×206961283² = 85665945322012178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (206961289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103480641 + 103480642.

It is an arithmetic number, because the mean of its divisors is an integer number (103480642).

Almost surely, 2^206961283 is an apocalyptic number.

206961283 is a deficient number, since it is larger than the sum of its proper divisors (1).

206961283 is an equidigital number, since it uses as much as digits as its factorization.

206961283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 206961283 is about 14386.1489982552. The cubic root of 206961283 is about 591.5112868806.

The spelling of 206961283 in words is "two hundred six million, nine hundred sixty-one thousand, two hundred eighty-three".