2505726 has 24 divisors (see below), whose sum is σ = 5484024. Its totient is φ = 826800.

The previous prime is 2505707. The next prime is 2505743. The reversal of 2505726 is 6275052.

It is a self number, because there is not a number n which added to its sum of digits gives 2505726.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1276 + ... + 2576.

It is an arithmetic number, because the mean of its divisors is an integer number (228501).

2^2505726 is an apocalyptic number.

2505726 is an abundant number, since it is smaller than the sum of its proper divisors (2978298).

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

2505726 is a wasteful number, since it uses less digits than its factorization.

2505726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416 (or 1413 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 2505726 is about 1582.9485146397. The cubic root of 2505726 is about 135.8244201896.

The spelling of 2505726 in words is "two million, five hundred five thousand, seven hundred twenty-six".