2050945 has 16 divisors (see below), whose sum is σ = 2681280. Its totient is φ = 1497024.

The previous prime is 2050903. The next prime is 2050949. The reversal of 2050945 is 5490502.

It is a cyclic number.

It is not a de Polignac number, because 2050945 - 2⁷ = 2050817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2050949) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8922 + ... + 9148.

It is an arithmetic number, because the mean of its divisors is an integer number (167580).

2^2050945 is an apocalyptic number.

It is an amenable number.

2050945 is a deficient number, since it is larger than the sum of its proper divisors (630335).

2050945 is a wasteful number, since it uses less digits than its factorization.

2050945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2050945 is about 1432.1120766197. The cubic root of 2050945 is about 127.0529260464.

The spelling of 2050945 in words is "two million, fifty thousand, nine hundred forty-five".