412056209 has 2 divisors, whose sum is σ = 412056210. Its totient is φ = 412056208.

The previous prime is 412056181. The next prime is 412056221. The reversal of 412056209 is 902650214.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 374809600 + 37246609 = 19360^2 + 6103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-412056209 is a prime.

It is equal to p_21944423 and since 412056209 and 21944423 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (412056269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206028104 + 206028105.

It is an arithmetic number, because the mean of its divisors is an integer number (206028105).

Almost surely, 2^412056209 is an apocalyptic number.

It is an amenable number.

412056209 is a deficient number, since it is larger than the sum of its proper divisors (1).

412056209 is an equidigital number, since it uses as much as digits as its factorization.

412056209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 412056209 is about 20299.1676922971. The cubic root of 412056209 is about 744.1357237120.

The spelling of 412056209 in words is "four hundred twelve million, fifty-six thousand, two hundred nine".