211341253 has 2 divisors, whose sum is σ = 211341254. Its totient is φ = 211341252.

The previous prime is 211341233. The next prime is 211341257. The reversal of 211341253 is 352143112.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166745569 + 44595684 = 12913^2 + 6678^2 .

It is a cyclic number.

It is not a de Polignac number, because 211341253 - 2⁹ = 211340741 is a prime.

It is a super-2 number, since 2×211341253² = 89330250439220018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211341257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105670626 + 105670627.

It is an arithmetic number, because the mean of its divisors is an integer number (105670627).

Almost surely, 2^211341253 is an apocalyptic number.

It is an amenable number.

211341253 is a deficient number, since it is larger than the sum of its proper divisors (1).

211341253 is an equidigital number, since it uses as much as digits as its factorization.

211341253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 22.

The square root of 211341253 is about 14537.5807134475. The cubic root of 211341253 is about 595.6549556417.

Adding to 211341253 its reverse (352143112), we get a palindrome (563484365).

The spelling of 211341253 in words is "two hundred eleven million, three hundred forty-one thousand, two hundred fifty-three".