2141903 has 2 divisors, whose sum is σ = 2141904. Its totient is φ = 2141902.

The previous prime is 2141899. The next prime is 2141917. The reversal of 2141903 is 3091412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2141903 - 2² = 2141899 is a prime.

It is a super-2 number, since 2×2141903² = 9175496922818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2141203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070951 + 1070952.

It is an arithmetic number, because the mean of its divisors is an integer number (1070952).

2^2141903 is an apocalyptic number.

2141903 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141903 is an equidigital number, since it uses as much as digits as its factorization.

2141903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2141903 is about 1463.5241713071. The cubic root of 2141903 is about 128.9040610305.

The spelling of 2141903 in words is "two million, one hundred forty-one thousand, nine hundred three".