2565275226 has 8 divisors (see below), whose sum is σ = 5130550464. Its totient is φ = 855091740.

The previous prime is 2565275201. The next prime is 2565275239. The reversal of 2565275226 is 6225725652.

It is a sphenic number, since it is the product of 3 distinct primes.

2565275226 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213772930 + ... + 213772941.

It is an arithmetic number, because the mean of its divisors is an integer number (641318808).

Almost surely, 2^2565275226 is an apocalyptic number.

2565275226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2565275226 is a wasteful number, since it uses less digits than its factorization.

2565275226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427545876.

The product of its digits is 504000, while the sum is 42.

The square root of 2565275226 is about 50648.5461390552. The cubic root of 2565275226 is about 1368.9197490772.

The spelling of 2565275226 in words is "two billion, five hundred sixty-five million, two hundred seventy-five thousand, two hundred twenty-six".