1302563 has 2 divisors, whose sum is σ = 1302564. Its totient is φ = 1302562.

The previous prime is 1302493. The next prime is 1302571. The reversal of 1302563 is 3652031.

It is a strong prime.

It is an emirp because it is prime and its reverse (3652031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1302563 - 2¹⁰ = 1301539 is a prime.

It is not a weakly prime, because it can be changed into another prime (1302163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651281 + 651282.

It is an arithmetic number, because the mean of its divisors is an integer number (651282).

2^1302563 is an apocalyptic number.

1302563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302563 is an equidigital number, since it uses as much as digits as its factorization.

1302563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1302563 is about 1141.2988215187. The cubic root of 1302563 is about 109.2109653236.

Adding to 1302563 its reverse (3652031), we get a palindrome (4954594).

The spelling of 1302563 in words is "one million, three hundred two thousand, five hundred sixty-three".