2050605 has 12 divisors (see below), whose sum is σ = 3554460. Its totient is φ = 1093632.

The previous prime is 2050589. The next prime is 2050621. The reversal of 2050605 is 5060502.

It is an interprime number because it is at equal distance from previous prime (2050589) and next prime (2050621).

It can be written as a sum of positive squares in 2 ways, for example, as 1432809 + 617796 = 1197^2 + 786^2 .

It is not a de Polignac number, because 2050605 - 2⁴ = 2050589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22740 + ... + 22829.

It is an arithmetic number, because the mean of its divisors is an integer number (296205).

2^2050605 is an apocalyptic number.

It is an amenable number.

2050605 is a deficient number, since it is larger than the sum of its proper divisors (1503855).

2050605 is a wasteful number, since it uses less digits than its factorization.

2050605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45580 (or 45577 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2050605 is about 1431.9933659064. The cubic root of 2050605 is about 127.0459048306.

It can be divided in two parts, 20 and 50605, that added together give a 4-th power (50625 = 15⁴).

The spelling of 2050605 in words is "two million, fifty thousand, six hundred five".