211197253 has 2 divisors, whose sum is σ = 211197254. Its totient is φ = 211197252.

The previous prime is 211197223. The next prime is 211197263. The reversal of 211197253 is 352791112.

211197253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210308004 + 889249 = 14502^2 + 943^2 .

It is a cyclic number.

It is not a de Polignac number, because 211197253 - 2¹³ = 211189061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211197223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105598626 + 105598627.

It is an arithmetic number, because the mean of its divisors is an integer number (105598627).

Almost surely, 2^211197253 is an apocalyptic number.

It is an amenable number.

211197253 is a deficient number, since it is larger than the sum of its proper divisors (1).

211197253 is an equidigital number, since it uses as much as digits as its factorization.

211197253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 31.

The square root of 211197253 is about 14532.6271885024. The cubic root of 211197253 is about 595.5196392582.

The spelling of 211197253 in words is "two hundred eleven million, one hundred ninety-seven thousand, two hundred fifty-three".