2050109 has 2 divisors, whose sum is σ = 2050110. Its totient is φ = 2050108.

The previous prime is 2050099. The next prime is 2050141. The reversal of 2050109 is 9010502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1322500 + 727609 = 1150^2 + 853^2 .

It is a cyclic number.

It is not a de Polignac number, because 2050109 - 2¹² = 2046013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2050189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025054 + 1025055.

It is an arithmetic number, because the mean of its divisors is an integer number (1025055).

2^2050109 is an apocalyptic number.

It is an amenable number.

2050109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2050109 is an equidigital number, since it uses as much as digits as its factorization.

2050109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 2050109 is about 1431.8201702728. The cubic root of 2050109 is about 127.0356607238.

The spelling of 2050109 in words is "two million, fifty thousand, one hundred nine".