2138803 has 2 divisors, whose sum is σ = 2138804. Its totient is φ = 2138802.

The previous prime is 2138797. The next prime is 2138813. The reversal of 2138803 is 3088312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2138803 - 2⁹ = 2138291 is a prime.

It is not a weakly prime, because it can be changed into another prime (2138813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069401 + 1069402.

It is an arithmetic number, because the mean of its divisors is an integer number (1069402).

2^2138803 is an apocalyptic number.

2138803 is a deficient number, since it is larger than the sum of its proper divisors (1).

2138803 is an equidigital number, since it uses as much as digits as its factorization.

2138803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2138803 is about 1462.4647004287. The cubic root of 2138803 is about 128.8418429114.

The spelling of 2138803 in words is "two million, one hundred thirty-eight thousand, eight hundred three".