253205206 has 32 divisors (see below), whose sum is σ = 411920640. Its totient is φ = 116372256.

The previous prime is 253205159. The next prime is 253205207. The reversal of 253205206 is 602502352.

It is a super-2 number, since 2×253205206² = 128225752691004872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253205207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462625 + ... + 463171.

It is an arithmetic number, because the mean of its divisors is an integer number (12872520).

Almost surely, 2^253205206 is an apocalyptic number.

253205206 is a deficient number, since it is larger than the sum of its proper divisors (158715434).

253205206 is a wasteful number, since it uses less digits than its factorization.

253205206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 253205206 is about 15912.4230084547. The cubic root of 253205206 is about 632.6413051161.

Adding to 253205206 its reverse (602502352), we get a palindrome (855707558).

The spelling of 253205206 in words is "two hundred fifty-three million, two hundred five thousand, two hundred six".