2505808 has 20 divisors (see below), whose sum is σ = 4885600. Its totient is φ = 1245024.

The previous prime is 2505793. The next prime is 2505809. The reversal of 2505808 is 8085052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2791 + ... + 3577.

It is an arithmetic number, because the mean of its divisors is an integer number (244280).

2^2505808 is an apocalyptic number.

It is an amenable number.

2505808 is a deficient number, since it is larger than the sum of its proper divisors (2379792).

2505808 is a wasteful number, since it uses less digits than its factorization.

2505808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 2505808 is about 1582.9744154597. The cubic root of 2505808 is about 135.8259017936.

The spelling of 2505808 in words is "two million, five hundred five thousand, eight hundred eight".