1380163 has 2 divisors, whose sum is σ = 1380164. Its totient is φ = 1380162.

The previous prime is 1380157. The next prime is 1380199. The reversal of 1380163 is 3610831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1380163 - 2¹⁷ = 1249091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1380563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690081 + 690082.

It is an arithmetic number, because the mean of its divisors is an integer number (690082).

2^1380163 is an apocalyptic number.

1380163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380163 is an equidigital number, since it uses as much as digits as its factorization.

1380163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1380163 is about 1174.8033878058. The cubic root of 1380163 is about 111.3380114050.

Subtracting from 1380163 its product of nonzero digits (432), we obtain a palindrome (1379731).

Adding to 1380163 its reverse (3610831), we get a palindrome (4990994).

The spelling of 1380163 in words is "one million, three hundred eighty thousand, one hundred sixty-three".