1803163 has 2 divisors, whose sum is σ = 1803164. Its totient is φ = 1803162.

The previous prime is 1803149. The next prime is 1803167. The reversal of 1803163 is 3613081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1803163 - 2⁹ = 1802651 is a prime.

It is not a weakly prime, because it can be changed into another prime (1803167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 901581 + 901582.

It is an arithmetic number, because the mean of its divisors is an integer number (901582).

2^1803163 is an apocalyptic number.

1803163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1803163 is an equidigital number, since it uses as much as digits as its factorization.

1803163 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 1803163 is about 1342.8190496117. The cubic root of 1803163 is about 121.7152500871.

The spelling of 1803163 in words is "one million, eight hundred three thousand, one hundred sixty-three".