2545885 has 8 divisors (see below), whose sum is σ = 3064320. Its totient is φ = 2030544.

The previous prime is 2545883. The next prime is 2545889. The reversal of 2545885 is 5885452.

2545885 is nontrivially palindromic in base 11.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2545885 - 2¹ = 2545883 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 1864 + ... + 2926.

It is an arithmetic number, because the mean of its divisors is an integer number (383040).

2^2545885 is an apocalyptic number.

It is an amenable number.

2545885 is a deficient number, since it is larger than the sum of its proper divisors (518435).

2545885 is a wasteful number, since it uses less digits than its factorization.

2545885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547.

The product of its digits is 64000, while the sum is 37.

The square root of 2545885 is about 1595.5829655646. The cubic root of 2545885 is about 136.5461923303.

The spelling of 2545885 in words is "two million, five hundred forty-five thousand, eight hundred eighty-five".