2505570 has 32 divisors (see below), whose sum is σ = 6144768. Its totient is φ = 653568.

The previous prime is 2505557. The next prime is 2505611. The reversal of 2505570 is 755052.

2505570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2505570.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522 + ... + 2298.

It is an arithmetic number, because the mean of its divisors is an integer number (192024).

2^2505570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2505570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3072384).

2505570 is an abundant number, since it is smaller than the sum of its proper divisors (3639198).

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

2505570 is a wasteful number, since it uses less digits than its factorization.

2505570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834.

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

The square root of 2505570 is about 1582.8992387388. The cubic root of 2505570 is about 135.8216014391.

The spelling of 2505570 in words is "two million, five hundred five thousand, five hundred seventy".