213282497 has 2 divisors, whose sum is σ = 213282498. Its totient is φ = 213282496.

The previous prime is 213282491. The next prime is 213282523. The reversal of 213282497 is 794282312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206094736 + 7187761 = 14356^2 + 2681^2 .

It is a cyclic number.

It is not a de Polignac number, because 213282497 - 2⁸ = 213282241 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213282497.

It is not a weakly prime, because it can be changed into another prime (213282491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106641248 + 106641249.

It is an arithmetic number, because the mean of its divisors is an integer number (106641249).

Almost surely, 2^213282497 is an apocalyptic number.

It is an amenable number.

213282497 is a deficient number, since it is larger than the sum of its proper divisors (1).

213282497 is an equidigital number, since it uses as much as digits as its factorization.

213282497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 213282497 is about 14604.1945002112. The cubic root of 213282497 is about 597.4731669818.

The spelling of 213282497 in words is "two hundred thirteen million, two hundred eighty-two thousand, four hundred ninety-seven".