2140049 has 2 divisors, whose sum is σ = 2140050. Its totient is φ = 2140048.

The previous prime is 2140013. The next prime is 2140057. The reversal of 2140049 is 9400412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1803649 + 336400 = 1343^2 + 580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2140049 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2140049.

It is not a weakly prime, because it can be changed into another prime (2140069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070024 + 1070025.

It is an arithmetic number, because the mean of its divisors is an integer number (1070025).

2^2140049 is an apocalyptic number.

It is an amenable number.

2140049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140049 is an equidigital number, since it uses as much as digits as its factorization.

2140049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2140049 is about 1462.8906315921. The cubic root of 2140049 is about 128.8668578024.

The spelling of 2140049 in words is "two million, one hundred forty thousand, forty-nine".