206245352153 has 2 divisors, whose sum is σ = 206245352154. Its totient is φ = 206245352152.

The previous prime is 206245352119. The next prime is 206245352171. The reversal of 206245352153 is 351253542602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114685854409 + 91559497744 = 338653^2 + 302588^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206245352153 is a prime.

It is not a weakly prime, because it can be changed into another prime (206245355153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103122676076 + 103122676077.

It is an arithmetic number, because the mean of its divisors is an integer number (103122676077).

Almost surely, 2^206245352153 is an apocalyptic number.

It is an amenable number.

206245352153 is a deficient number, since it is larger than the sum of its proper divisors (1).

206245352153 is an equidigital number, since it uses as much as digits as its factorization.

206245352153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 206245352153 its reverse (351253542602), we get a palindrome (557498894755).

The spelling of 206245352153 in words is "two hundred six billion, two hundred forty-five million, three hundred fifty-two thousand, one hundred fifty-three".