2545166 has 16 divisors (see below), whose sum is σ = 4191264. Its totient is φ = 1151904.

The previous prime is 2545163. The next prime is 2545171. The reversal of 2545166 is 6615452.

2545166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545163) 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, 455 + ... + 2301.

It is an arithmetic number, because the mean of its divisors is an integer number (261954).

2^2545166 is an apocalyptic number.

2545166 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2545166 is a deficient number, since it is larger than the sum of its proper divisors (1646098).

2545166 is a wasteful number, since it uses less digits than its factorization.

2545166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915.

The product of its digits is 7200, while the sum is 29.

The square root of 2545166 is about 1595.3576401547. The cubic root of 2545166 is about 136.5333368195.

The spelling of 2545166 in words is "two million, five hundred forty-five thousand, one hundred sixty-six".