212000497 has 2 divisors, whose sum is σ = 212000498. Its totient is φ = 212000496.

The previous prime is 212000479. The next prime is 212000501. The reversal of 212000497 is 794000212.

Together with previous prime (212000479) 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., 202322176 + 9678321 = 14224^2 + 3111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212000497 is a prime.

It is not a weakly prime, because it can be changed into another prime (212001497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000248 + 106000249.

It is an arithmetic number, because the mean of its divisors is an integer number (106000249).

Almost surely, 2^212000497 is an apocalyptic number.

It is an amenable number.

212000497 is a deficient number, since it is larger than the sum of its proper divisors (1).

212000497 is an equidigital number, since it uses as much as digits as its factorization.

212000497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 212000497 is about 14560.2368456011. The cubic root of 212000497 is about 596.2736617296.

The spelling of 212000497 in words is "two hundred twelve million, four hundred ninety-seven", and thus it is an aban number.