212411449 has 2 divisors, whose sum is σ = 212411450. Its totient is φ = 212411448.

The previous prime is 212411363. The next prime is 212411453. The reversal of 212411449 is 944114212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128414224 + 83997225 = 11332^2 + 9165^2 .

It is a cyclic number.

It is not a de Polignac number, because 212411449 - 2¹¹ = 212409401 is a prime.

It is not a weakly prime, because it can be changed into another prime (212411249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106205724 + 106205725.

It is an arithmetic number, because the mean of its divisors is an integer number (106205725).

Almost surely, 2^212411449 is an apocalyptic number.

It is an amenable number.

212411449 is a deficient number, since it is larger than the sum of its proper divisors (1).

212411449 is an equidigital number, since it uses as much as digits as its factorization.

212411449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 28.

The square root of 212411449 is about 14574.3421463886. The cubic root of 212411449 is about 596.6586949335.

The spelling of 212411449 in words is "two hundred twelve million, four hundred eleven thousand, four hundred forty-nine".