2530213 has 6 divisors (see below), whose sum is σ = 2943366. Its totient is φ = 2168712.

The previous prime is 2530201. The next prime is 2530223. The reversal of 2530213 is 3120352.

It can be written as a sum of positive squares in only one way, i.e., 1979649 + 550564 = 1407^2 + 742^2 .

It is not a de Polignac number, because 2530213 - 2¹³ = 2522021 is a prime.

It is a Duffinian number.

2530213 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25770 + ... + 25867.

It is an arithmetic number, because the mean of its divisors is an integer number (490561).

2^2530213 is an apocalyptic number.

It is an amenable number.

2530213 is a deficient number, since it is larger than the sum of its proper divisors (413153).

2530213 is an equidigital number, since it uses as much as digits as its factorization.

2530213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51651 (or 51644 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 2530213 is about 1590.6643266258. The cubic root of 2530213 is about 136.2654310161.

Adding to 2530213 its reverse (3120352), we get a palindrome (5650565).

The spelling of 2530213 in words is "two million, five hundred thirty thousand, two hundred thirteen".