2050745 has 4 divisors (see below), whose sum is σ = 2460900. Its totient is φ = 1640592.

The previous prime is 2050739. The next prime is 2050771. The reversal of 2050745 is 5470502.

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 753424 + 1297321 = 868^2 + 1139^2 .

It is a cyclic number.

It is not a de Polignac number, because 2050745 - 2¹⁰ = 2049721 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2050745.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205070 + ... + 205079.

It is an arithmetic number, because the mean of its divisors is an integer number (615225).

2^2050745 is an apocalyptic number.

It is an amenable number.

2050745 is a deficient number, since it is larger than the sum of its proper divisors (410155).

2050745 is an equidigital number, since it uses as much as digits as its factorization.

2050745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410154.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 2050745 is about 1432.0422479801. The cubic root of 2050745 is about 127.0487960135.

The spelling of 2050745 in words is "two million, fifty thousand, seven hundred forty-five".