2530720 has 24 divisors (see below), whose sum is σ = 5979204. Its totient is φ = 1012224.

The previous prime is 2530709. The next prime is 2530727. The reversal of 2530720 is 270352.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2471184 + 59536 = 1572^2 + 244^2 .

It is not an unprimeable number, because it can be changed into a prime (2530727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7749 + ... + 8068.

2^2530720 is an apocalyptic number.

2530720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2530720 is an abundant number, since it is smaller than the sum of its proper divisors (3448484).

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

2530720 is a wasteful number, since it uses less digits than its factorization.

2530720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15832 (or 15824 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 2530720 is about 1590.8236860193. The cubic root of 2530720 is about 136.2745319573.

The spelling of 2530720 in words is "two million, five hundred thirty thousand, seven hundred twenty".