1363489 has 2 divisors, whose sum is σ = 1363490. Its totient is φ = 1363488.

The previous prime is 1363477. The next prime is 1363511. The reversal of 1363489 is 9843631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1361889 + 1600 = 1167^2 + 40^2 .

It is a cyclic number.

It is not a de Polignac number, because 1363489 - 2⁷ = 1363361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1363409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681744 + 681745.

It is an arithmetic number, because the mean of its divisors is an integer number (681745).

2^1363489 is an apocalyptic number.

It is an amenable number.

1363489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1363489 is an equidigital number, since it uses as much as digits as its factorization.

1363489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 1363489 is about 1167.6853171981. The cubic root of 1363489 is about 110.8878286792.

The spelling of 1363489 in words is "one million, three hundred sixty-three thousand, four hundred eighty-nine".