2530530 has 48 divisors (see below), whose sum is σ = 6799104. Its totient is φ = 652320.

The previous prime is 2530519. The next prime is 2530543. The reversal of 2530530 is 350352.

2530530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2337 + ... + 3243.

It is an arithmetic number, because the mean of its divisors is an integer number (141648).

2^2530530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2530530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3399552).

2530530 is an abundant number, since it is smaller than the sum of its proper divisors (4268574).

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

2530530 is a wasteful number, since it uses less digits than its factorization.

2530530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951 (or 948 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 2530530 is about 1590.7639674069. The cubic root of 2530530 is about 136.2711214906.

Adding to 2530530 its reverse (350352), we get a palindrome (2880882).

The spelling of 2530530 in words is "two million, five hundred thirty thousand, five hundred thirty".