2065544 has 16 divisors (see below), whose sum is σ = 4171020. Its totient is φ = 953280.

The previous prime is 2065523. The next prime is 2065559. The reversal of 2065544 is 4455602.

It can be written as a sum of positive squares in 2 ways, for example, as 1532644 + 532900 = 1238^2 + 730^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9827 + ... + 10034.

2^2065544 is an apocalyptic number.

It is an amenable number.

2065544 is an abundant number, since it is smaller than the sum of its proper divisors (2105476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2065544 is a wasteful number, since it uses less digits than its factorization.

2065544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19880 (or 19876 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2065544 is about 1437.2000556638. The cubic root of 2065544 is about 127.3536755296.

The spelling of 2065544 in words is "two million, sixty-five thousand, five hundred forty-four".