206314477 has 2 divisors, whose sum is σ = 206314478. Its totient is φ = 206314476.

The previous prime is 206314463. The next prime is 206314487. The reversal of 206314477 is 774413602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147039876 + 59274601 = 12126^2 + 7699^2 .

It is a cyclic number.

It is not a de Polignac number, because 206314477 - 2¹¹ = 206312429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206314447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103157238 + 103157239.

It is an arithmetic number, because the mean of its divisors is an integer number (103157239).

Almost surely, 2^206314477 is an apocalyptic number.

It is an amenable number.

206314477 is a deficient number, since it is larger than the sum of its proper divisors (1).

206314477 is an equidigital number, since it uses as much as digits as its factorization.

206314477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 206314477 is about 14363.6512419371. The cubic root of 206314477 is about 590.8944367081.

The spelling of 206314477 in words is "two hundred six million, three hundred fourteen thousand, four hundred seventy-seven".