2065530 has 32 divisors (see below), whose sum is σ = 5119488. Its totient is φ = 532800.

The previous prime is 2065523. The next prime is 2065559. The reversal of 2065530 is 355602.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2065497 and 2065506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181 + ... + 2040.

It is an arithmetic number, because the mean of its divisors is an integer number (159984).

2^2065530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2065530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2559744).

2065530 is an abundant number, since it is smaller than the sum of its proper divisors (3053958).

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

2065530 is a wasteful number, since it uses less digits than its factorization.

2065530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 2065530 is about 1437.1951850740. The cubic root of 2065530 is about 127.3533877998.

The spelling of 2065530 in words is "two million, sixty-five thousand, five hundred thirty".