2625240 has 64 divisors (see below), whose sum is σ = 7983360. Its totient is φ = 690560.

The previous prime is 2625229. The next prime is 2625241. The reversal of 2625240 is 425262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2625241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15637 + ... + 15803.

It is an arithmetic number, because the mean of its divisors is an integer number (124740).

2^2625240 is an apocalyptic number.

2625240 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 2625240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3991680).

2625240 is an abundant number, since it is smaller than the sum of its proper divisors (5358120).

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

2625240 is a wasteful number, since it uses less digits than its factorization.

2625240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2625240 is about 1620.2592385171. The cubic root of 2625240 is about 137.9504127659.

The spelling of 2625240 in words is "two million, six hundred twenty-five thousand, two hundred forty".