2552766 has 16 divisors (see below), whose sum is σ = 5123088. Its totient is φ = 848000.

The previous prime is 2552761. The next prime is 2552773. The reversal of 2552766 is 6672552.

It is a super-3 number, since 3×2552766³ = 49906173883336173288, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1876 + ... + 2936.

It is an arithmetic number, because the mean of its divisors is an integer number (320193).

2^2552766 is an apocalyptic number.

2552766 is an abundant number, since it is smaller than the sum of its proper divisors (2570322).

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

2552766 is a wasteful number, since it uses less digits than its factorization.

2552766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467.

The product of its digits is 25200, while the sum is 33.

The square root of 2552766 is about 1597.7377757317. The cubic root of 2552766 is about 136.6691003599.

The spelling of 2552766 in words is "two million, five hundred fifty-two thousand, seven hundred sixty-six".