1380563 has 2 divisors, whose sum is σ = 1380564. Its totient is φ = 1380562.

The previous prime is 1380557. The next prime is 1380571. The reversal of 1380563 is 3650831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1380563 - 2⁶ = 1380499 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1380163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690281 + 690282.

It is an arithmetic number, because the mean of its divisors is an integer number (690282).

2^1380563 is an apocalyptic number.

1380563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380563 is an equidigital number, since it uses as much as digits as its factorization.

1380563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1380563 is about 1174.9736167251. The cubic root of 1380563 is about 111.3487663914.

The spelling of 1380563 in words is "one million, three hundred eighty thousand, five hundred sixty-three".