2530626 has 32 divisors (see below), whose sum is σ = 5857920. Its totient is φ = 713856.

The previous prime is 2530597. The next prime is 2530663. The reversal of 2530626 is 6260352.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2530596 and 2530605.

It is a congruent number.

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, 3400 + ... + 4076.

It is an arithmetic number, because the mean of its divisors is an integer number (183060).

2^2530626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2530626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2928960).

2530626 is an abundant number, since it is smaller than the sum of its proper divisors (3327294).

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

2530626 is a wasteful number, since it uses less digits than its factorization.

2530626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2530626 is about 1590.7941413018. The cubic root of 2530626 is about 136.2728446951.

Adding to 2530626 its reverse (6260352), we get a palindrome (8790978).

The spelling of 2530626 in words is "two million, five hundred thirty thousand, six hundred twenty-six".