2566810252 has 6 divisors (see below), whose sum is σ = 4491917948. Its totient is φ = 1283405124.

The previous prime is 2566810157. The next prime is 2566810291. The reversal of 2566810252 is 2520186652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320851278 + ... + 320851285.

Almost surely, 2^2566810252 is an apocalyptic number.

It is an amenable number.

2566810252 is a deficient number, since it is larger than the sum of its proper divisors (1925107696).

2566810252 is a wasteful number, since it uses less digits than its factorization.

2566810252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641702567 (or 641702565 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 2566810252 is about 50663.6975752856. The cubic root of 2566810252 is about 1369.1927423203.

The spelling of 2566810252 in words is "two billion, five hundred sixty-six million, eight hundred ten thousand, two hundred fifty-two".