212897353 has 2 divisors, whose sum is σ = 212897354. Its totient is φ = 212897352.

The previous prime is 212897351. The next prime is 212897387. The reversal of 212897353 is 353798212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129777664 + 83119689 = 11392^2 + 9117^2 .

It is a cyclic number.

It is not a de Polignac number, because 212897353 - 2¹ = 212897351 is a prime.

Together with 212897351, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (212897351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106448676 + 106448677.

It is an arithmetic number, because the mean of its divisors is an integer number (106448677).

Almost surely, 2^212897353 is an apocalyptic number.

It is an amenable number.

212897353 is a deficient number, since it is larger than the sum of its proper divisors (1).

212897353 is an equidigital number, since it uses as much as digits as its factorization.

212897353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 212897353 is about 14591.0024672741. The cubic root of 212897353 is about 597.1133127040.

The spelling of 212897353 in words is "two hundred twelve million, eight hundred ninety-seven thousand, three hundred fifty-three".