2566652 has 18 divisors (see below), whose sum is σ = 4938024.
Its totient is φ = 1166440.
The previous prime is 2566651. The next prime is 2566661.
2566652 is nontrivially palindromic in base 10.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2566651) by changing a digit.
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 5 ways as a sum of consecutive naturals, for example, 2168 + ... + 3135.
22566652 is an apocalyptic number.
2566652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2566652 is a deficient number, since it is larger than the sum of its proper divisors (2371372).
2566652 is a wasteful number, since it uses less digits than its factorization.
2566652 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5329 (or 5316 counting only the distinct ones).
The product of its digits is 21600, while the sum is 32.
The square root of 2566652 is about 1602.0774013761.
The cubic root of 2566652 is about 136.9164603382.
The spelling of 2566652 in words is "two million, five hundred sixty-six thousand, six hundred fifty-two".