2505750 has 64 divisors (see below), whose sum is σ = 6761664. Its totient is φ = 614400.

The previous prime is 2505743. The next prime is 2505773. The reversal of 2505750 is 575052.

It is a self number, because there is not a number n which added to its sum of digits gives 2505750.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9622 + ... + 9878.

It is an arithmetic number, because the mean of its divisors is an integer number (105651).

2^2505750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2505750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3380832).

2505750 is an abundant number, since it is smaller than the sum of its proper divisors (4255914).

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

2505750 is a wasteful number, since it uses less digits than its factorization.

2505750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 24.

The square root of 2505750 is about 1582.9560954114. The cubic root of 2505750 is about 135.8248538331.

The spelling of 2505750 in words is "two million, five hundred five thousand, seven hundred fifty".