2505812 has 12 divisors (see below), whose sum is σ = 4398240. Its totient is φ = 1249176.

The previous prime is 2505809. The next prime is 2505829. The reversal of 2505812 is 2185052.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043 + ... + 2469.

It is an arithmetic number, because the mean of its divisors is an integer number (366520).

2^2505812 is an apocalyptic number.

It is an amenable number.

2505812 is a deficient number, since it is larger than the sum of its proper divisors (1892428).

2505812 is a wasteful number, since it uses less digits than its factorization.

2505812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870 (or 1868 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2505812 is about 1582.9756789035. The cubic root of 2505812 is about 135.8259740661.

The spelling of 2505812 in words is "two million, five hundred five thousand, eight hundred twelve".