2530624 has 14 divisors (see below), whose sum is σ = 5021834. Its totient is φ = 1265280.

The previous prime is 2530597. The next prime is 2530663. The reversal of 2530624 is 4260352.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1364224 + 1166400 = 1168^2 + 1080^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2530595 and 2530604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19707 + ... + 19834.

2^2530624 is an apocalyptic number.

It is an amenable number.

2530624 is a deficient number, since it is larger than the sum of its proper divisors (2491210).

2530624 is an equidigital number, since it uses as much as digits as its factorization.

2530624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39553 (or 39543 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2530624 is about 1590.7935126848. The cubic root of 2530624 is about 136.2728087955.

Adding to 2530624 its reverse (4260352), we get a palindrome (6790976).

The spelling of 2530624 in words is "two million, five hundred thirty thousand, six hundred twenty-four".