2050705 has 4 divisors (see below), whose sum is σ = 2460852. Its totient is φ = 1640560.

The previous prime is 2050679. The next prime is 2050717. The reversal of 2050705 is 5070502.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 725904 + 1324801 = 852^2 + 1151^2 .

It is not a de Polignac number, because 2050705 - 2⁹ = 2050193 is a prime.

It is a Duffinian number.

2050705 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205066 + ... + 205075.

It is an arithmetic number, because the mean of its divisors is an integer number (615213).

2^2050705 is an apocalyptic number.

It is an amenable number.

2050705 is a deficient number, since it is larger than the sum of its proper divisors (410147).

2050705 is an equidigital number, since it uses as much as digits as its factorization.

2050705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410146.

The product of its (nonzero) digits is 350, while the sum is 19.

The square root of 2050705 is about 1432.0282818436. The cubic root of 2050705 is about 127.0479699747.

The spelling of 2050705 in words is "two million, fifty thousand, seven hundred five".