1452027209 has 2 divisors, whose sum is σ = 1452027210. Its totient is φ = 1452027208.

The previous prime is 1452027193. The next prime is 1452027211. The reversal of 1452027209 is 9027202541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1409777209 + 42250000 = 37547^2 + 6500^2 .

It is a cyclic number.

It is not a de Polignac number, because 1452027209 - 2⁴ = 1452027193 is a prime.

Together with 1452027211, 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 (1452027289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726013604 + 726013605.

It is an arithmetic number, because the mean of its divisors is an integer number (726013605).

Almost surely, 2^1452027209 is an apocalyptic number.

It is an amenable number.

1452027209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1452027209 is an equidigital number, since it uses as much as digits as its factorization.

1452027209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1452027209 is about 38105.4747903763. The cubic root of 1452027209 is about 1132.3784213576.

The spelling of 1452027209 in words is "one billion, four hundred fifty-two million, twenty-seven thousand, two hundred nine".