2625280 has 72 divisors (see below), whose sum is σ = 7211232. Its totient is φ = 897024.

The previous prime is 2625277. The next prime is 2625307. The reversal of 2625280 is 825262.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8814 + ... + 9106.

It is an arithmetic number, because the mean of its divisors is an integer number (100156).

2^2625280 is an apocalyptic number.

2625280 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 2625280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3605616).

2625280 is an abundant number, since it is smaller than the sum of its proper divisors (4585952).

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

2625280 is an equidigital number, since it uses as much as digits as its factorization.

2625280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2625280 is about 1620.2715821738. The cubic root of 2625280 is about 137.9511133988.

The spelling of 2625280 in words is "two million, six hundred twenty-five thousand, two hundred eighty".