206327953 has 16 divisors (see below), whose sum is σ = 232016400. Its totient is φ = 182165760.

The previous prime is 206327939. The next prime is 206327969. The reversal of 206327953 is 359723602.

It can be written as a sum of positive squares in 8 ways, for example, as 4915089 + 201412864 = 2217^2 + 14192^2 .

It is a cyclic number.

It is not a de Polignac number, because 206327953 - 2⁵ = 206327921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206327923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38583 + ... + 43603.

It is an arithmetic number, because the mean of its divisors is an integer number (14501025).

Almost surely, 2^206327953 is an apocalyptic number.

It is an amenable number.

206327953 is a deficient number, since it is larger than the sum of its proper divisors (25688447).

206327953 is a wasteful number, since it uses less digits than its factorization.

206327953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5172.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 206327953 is about 14364.1203350571. The cubic root of 206327953 is about 590.9073017288.

The spelling of 206327953 in words is "two hundred six million, three hundred twenty-seven thousand, nine hundred fifty-three".