2512720 has 60 divisors (see below), whose sum is σ = 6806484. Its totient is φ = 860160.

The previous prime is 2512709. The next prime is 2512721. The reversal of 2512720 is 272152.

It can be written as a sum of positive squares in 2 ways, for example, as 1658944 + 853776 = 1288^2 + 924^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2512721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3600 + ... + 4240.

2^2512720 is an apocalyptic number.

2512720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2512720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3403242).

2512720 is an abundant number, since it is smaller than the sum of its proper divisors (4293764).

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

2512720 is a wasteful number, since it uses less digits than its factorization.

2512720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2512720 is about 1585.1561437284. The cubic root of 2512720 is about 135.9506741537.

Adding to 2512720 its reverse (272152), we get a palindrome (2784872).

The spelling of 2512720 in words is "two million, five hundred twelve thousand, seven hundred twenty".