2091703 has 2 divisors, whose sum is σ = 2091704. Its totient is φ = 2091702.

The previous prime is 2091671. The next prime is 2091707. The reversal of 2091703 is 3071902.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2091703 - 2⁵ = 2091671 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2091707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045851 + 1045852.

It is an arithmetic number, because the mean of its divisors is an integer number (1045852).

2^2091703 is an apocalyptic number.

2091703 is a deficient number, since it is larger than the sum of its proper divisors (1).

2091703 is an equidigital number, since it uses as much as digits as its factorization.

2091703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 2091703 is about 1446.2721044119. The cubic root of 2091703 is about 127.8890436569.

The spelling of 2091703 in words is "two million, ninety-one thousand, seven hundred three".