212344253 has 4 divisors (see below), whose sum is σ = 231648288. Its totient is φ = 193040220.

The previous prime is 212344241. The next prime is 212344271. The reversal of 212344253 is 352443212.

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 a cyclic number.

It is not a de Polignac number, because 212344253 - 2⁸ = 212343997 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212344213) 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, 9652001 + ... + 9652022.

It is an arithmetic number, because the mean of its divisors is an integer number (57912072).

Almost surely, 2^212344253 is an apocalyptic number.

It is an amenable number.

212344253 is a deficient number, since it is larger than the sum of its proper divisors (19304035).

212344253 is a wasteful number, since it uses less digits than its factorization.

212344253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19304034.

The product of its digits is 5760, while the sum is 26.

The square root of 212344253 is about 14572.0366798880. The cubic root of 212344253 is about 596.5957709772.

Adding to 212344253 its reverse (352443212), we get a palindrome (564787465).

The spelling of 212344253 in words is "two hundred twelve million, three hundred forty-four thousand, two hundred fifty-three".