212470361 has 2 divisors, whose sum is σ = 212470362. Its totient is φ = 212470360.

The previous prime is 212470351. The next prime is 212470417. The reversal of 212470361 is 163074212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206094736 + 6375625 = 14356^2 + 2525^2 .

It is a cyclic number.

It is not a de Polignac number, because 212470361 - 2¹⁰ = 212469337 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 212470361.

It is not a weakly prime, because it can be changed into another prime (212470351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106235180 + 106235181.

It is an arithmetic number, because the mean of its divisors is an integer number (106235181).

Almost surely, 2^212470361 is an apocalyptic number.

It is an amenable number.

212470361 is a deficient number, since it is larger than the sum of its proper divisors (1).

212470361 is an equidigital number, since it uses as much as digits as its factorization.

212470361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 212470361 is about 14576.3630923492. The cubic root of 212470361 is about 596.7138506358.

The spelling of 212470361 in words is "two hundred twelve million, four hundred seventy thousand, three hundred sixty-one".