2505206 has 16 divisors (see below), whose sum is σ = 4278528. Its totient is φ = 1089000.

The previous prime is 2505193. The next prime is 2505227. The reversal of 2505206 is 6025052.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1970 + ... + 2981.

It is an arithmetic number, because the mean of its divisors is an integer number (267408).

2^2505206 is an apocalyptic number.

2505206 is a deficient number, since it is larger than the sum of its proper divisors (1773322).

2505206 is a wasteful number, since it uses less digits than its factorization.

2505206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4987.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2505206 is about 1582.7842556710. The cubic root of 2505206 is about 135.8150238995.

The spelling of 2505206 in words is "two million, five hundred five thousand, two hundred six".