2149703 has 2 divisors, whose sum is σ = 2149704. Its totient is φ = 2149702.

The previous prime is 2149687. The next prime is 2149711. The reversal of 2149703 is 3079412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2149703 - 2⁴ = 2149687 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 (2149003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074851 + 1074852.

It is an arithmetic number, because the mean of its divisors is an integer number (1074852).

2^2149703 is an apocalyptic number.

2149703 is a deficient number, since it is larger than the sum of its proper divisors (1).

2149703 is an equidigital number, since it uses as much as digits as its factorization.

2149703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2149703 is about 1466.1865502043. The cubic root of 2149703 is about 129.0603447414.

The spelling of 2149703 in words is "two million, one hundred forty-nine thousand, seven hundred three".