2065550 has 24 divisors (see below), whose sum is σ = 3887400. Its totient is φ = 816480.

The previous prime is 2065523. The next prime is 2065559. The reversal of 2065550 is 555602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065559) 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 11 ways as a sum of consecutive naturals, for example, 5261 + ... + 5639.

It is an arithmetic number, because the mean of its divisors is an integer number (161975).

2^2065550 is an apocalyptic number.

2065550 is a deficient number, since it is larger than the sum of its proper divisors (1821850).

2065550 is a wasteful number, since it uses less digits than its factorization.

2065550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 2065550 is about 1437.2021430543. The cubic root of 2065550 is about 127.3537988419.

The spelling of 2065550 in words is "two million, sixty-five thousand, five hundred fifty".