212498497 has 2 divisors, whose sum is σ = 212498498. Its totient is φ = 212498496.

The previous prime is 212498491. The next prime is 212498519. The reversal of 212498497 is 794894212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107661376 + 104837121 = 10376^2 + 10239^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212498497 is a prime.

It is a super-2 number, since 2×212498497² = 90311222454518018, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212498491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106249248 + 106249249.

It is an arithmetic number, because the mean of its divisors is an integer number (106249249).

Almost surely, 2^212498497 is an apocalyptic number.

It is an amenable number.

212498497 is a deficient number, since it is larger than the sum of its proper divisors (1).

212498497 is an equidigital number, since it uses as much as digits as its factorization.

212498497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 46.

The square root of 212498497 is about 14577.3281845474. The cubic root of 212498497 is about 596.7401890543.

The spelling of 212498497 in words is "two hundred twelve million, four hundred ninety-eight thousand, four hundred ninety-seven".