2531766 has 16 divisors (see below), whose sum is σ = 5079600. Its totient is φ = 841248.

The previous prime is 2531761. The next prime is 2531773. The reversal of 2531766 is 6671352.

2531766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2640 + ... + 3468.

It is an arithmetic number, because the mean of its divisors is an integer number (317475).

2^2531766 is an apocalyptic number.

2531766 is an abundant number, since it is smaller than the sum of its proper divisors (2547834).

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

2531766 is a wasteful number, since it uses less digits than its factorization.

2531766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343.

The product of its digits is 7560, while the sum is 30.

The square root of 2531766 is about 1591.1524125614. The cubic root of 2531766 is about 136.2933044182.

The spelling of 2531766 in words is "two million, five hundred thirty-one thousand, seven hundred sixty-six".