1456289 has 2 divisors, whose sum is σ = 1456290. Its totient is φ = 1456288.

The previous prime is 1456267. The next prime is 1456313. The reversal of 1456289 is 9826541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 966289 + 490000 = 983^2 + 700^2 .

It is an emirp because it is prime and its reverse (9826541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1456289 - 2¹² = 1452193 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1456219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728144 + 728145.

It is an arithmetic number, because the mean of its divisors is an integer number (728145).

2^1456289 is an apocalyptic number.

It is an amenable number.

1456289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1456289 is an equidigital number, since it uses as much as digits as its factorization.

1456289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The square root of 1456289 is about 1206.7679975869. The cubic root of 1456289 is about 113.3485206483.

The spelling of 1456289 in words is "one million, four hundred fifty-six thousand, two hundred eighty-nine".