2545886 has 32 divisors (see below), whose sum is σ = 4872960. Its totient is φ = 971136.

The previous prime is 2545883. The next prime is 2545889. The reversal of 2545886 is 6885452.

It is an interprime number because it is at equal distance from previous prime (2545883) and next prime (2545889).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁴ + 4⁵ + 5⁷ + 8² + 8⁶ + 6⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545883) 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 15 ways as a sum of consecutive naturals, for example, 4241 + ... + 4803.

It is an arithmetic number, because the mean of its divisors is an integer number (152280).

2^2545886 is an apocalyptic number.

2545886 is a deficient number, since it is larger than the sum of its proper divisors (2327074).

2545886 is a wasteful number, since it uses less digits than its factorization.

2545886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608.

The product of its digits is 76800, while the sum is 38.

The square root of 2545886 is about 1595.5832789297. The cubic root of 2545886 is about 136.5462102083.

The spelling of 2545886 in words is "two million, five hundred forty-five thousand, eight hundred eighty-six".