2585545 has 8 divisors (see below), whose sum is σ = 3237696. Its totient is φ = 1978416.

The previous prime is 2585521. The next prime is 2585549. The reversal of 2585545 is 5455852.

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 2585545 - 2⁷ = 2585417 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2585545.

It is not an unprimeable number, because it can be changed into a prime (2585549) 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, 11127 + ... + 11356.

It is an arithmetic number, because the mean of its divisors is an integer number (404712).

2^2585545 is an apocalyptic number.

It is an amenable number.

2585545 is a deficient number, since it is larger than the sum of its proper divisors (652151).

2585545 is a wasteful number, since it uses less digits than its factorization.

2585545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22511.

The product of its digits is 40000, while the sum is 34.

The square root of 2585545 is about 1607.9629970867. The cubic root of 2585545 is about 137.2515845263.

The spelling of 2585545 in words is "two million, five hundred eighty-five thousand, five hundred forty-five".