206575253 has 2 divisors, whose sum is σ = 206575254. Its totient is φ = 206575252.

The previous prime is 206575249. The next prime is 206575301. The reversal of 206575253 is 352575602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190909489 + 15665764 = 13817^2 + 3958^2 .

It is a cyclic number.

It is not a de Polignac number, because 206575253 - 2² = 206575249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206535253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103287626 + 103287627.

It is an arithmetic number, because the mean of its divisors is an integer number (103287627).

Almost surely, 2^206575253 is an apocalyptic number.

It is an amenable number.

206575253 is a deficient number, since it is larger than the sum of its proper divisors (1).

206575253 is an equidigital number, since it uses as much as digits as its factorization.

206575253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 206575253 is about 14372.7260114426. The cubic root of 206575253 is about 591.1432901625.

The spelling of 206575253 in words is "two hundred six million, five hundred seventy-five thousand, two hundred fifty-three".