253205232213 has 4 divisors (see below), whose sum is σ = 337606976288. Its totient is φ = 168803488140.

The previous prime is 253205232209. The next prime is 253205232221. The reversal of 253205232213 is 312232502352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 253205232213 - 2² = 253205232209 is a prime.

It is a super-2 number, since 2×253205232213² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253205232233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42200872033 + ... + 42200872038.

It is an arithmetic number, because the mean of its divisors is an integer number (84401744072).

Almost surely, 2^253205232213 is an apocalyptic number.

It is an amenable number.

253205232213 is a deficient number, since it is larger than the sum of its proper divisors (84401744075).

253205232213 is an equidigital number, since it uses as much as digits as its factorization.

253205232213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84401744074.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 253205232213 its reverse (312232502352), we get a palindrome (565437734565).

The spelling of 253205232213 in words is "two hundred fifty-three billion, two hundred five million, two hundred thirty-two thousand, two hundred thirteen".