210232273 has 2 divisors, whose sum is σ = 210232274. Its totient is φ = 210232272.

The previous prime is 210232237. The next prime is 210232279. The reversal of 210232273 is 372232012.

Together with previous prime (210232237) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192016449 + 18215824 = 13857^2 + 4268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210232273 is a prime.

It is a super-2 number, since 2×210232273² = 88395217221493058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (210232279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105116136 + 105116137.

It is an arithmetic number, because the mean of its divisors is an integer number (105116137).

Almost surely, 2^210232273 is an apocalyptic number.

It is an amenable number.

210232273 is a deficient number, since it is larger than the sum of its proper divisors (1).

210232273 is an equidigital number, since it uses as much as digits as its factorization.

210232273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 210232273 is about 14499.3887112526. The cubic root of 210232273 is about 594.6112593846.

Adding to 210232273 its reverse (372232012), we get a palindrome (582464285).

The spelling of 210232273 in words is "two hundred ten million, two hundred thirty-two thousand, two hundred seventy-three".