412442309 has 2 divisors, whose sum is σ = 412442310. Its totient is φ = 412442308.

The previous prime is 412442269. The next prime is 412442311. The reversal of 412442309 is 903244214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 343917025 + 68525284 = 18545^2 + 8278^2 .

It is a cyclic number.

It is not a de Polignac number, because 412442309 - 2²⁸ = 144006853 is a prime.

Together with 412442311, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (412442909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206221154 + 206221155.

It is an arithmetic number, because the mean of its divisors is an integer number (206221155).

Almost surely, 2^412442309 is an apocalyptic number.

It is an amenable number.

412442309 is a deficient number, since it is larger than the sum of its proper divisors (1).

412442309 is an equidigital number, since it uses as much as digits as its factorization.

412442309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 412442309 is about 20308.6757076871. The cubic root of 412442309 is about 744.3680715534.

The spelling of 412442309 in words is "four hundred twelve million, four hundred forty-two thousand, three hundred nine".