412543289 has 2 divisors, whose sum is σ = 412543290. Its totient is φ = 412543288.

The previous prime is 412543277. The next prime is 412543291. The reversal of 412543289 is 982345214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 396607225 + 15936064 = 19915^2 + 3992^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-412543289 is a prime.

Together with 412543291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (412543259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206271644 + 206271645.

It is an arithmetic number, because the mean of its divisors is an integer number (206271645).

Almost surely, 2^412543289 is an apocalyptic number.

It is an amenable number.

412543289 is a deficient number, since it is larger than the sum of its proper divisors (1).

412543289 is an equidigital number, since it uses as much as digits as its factorization.

412543289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 38.

The square root of 412543289 is about 20311.1616851425. The cubic root of 412543289 is about 744.4288155271.

The spelling of 412543289 in words is "four hundred twelve million, five hundred forty-three thousand, two hundred eighty-nine".