2585121 has 48 divisors (see below), whose sum is σ = 4681728. Its totient is φ = 1231200.

The previous prime is 2585113. The next prime is 2585123. The reversal of 2585121 is 1215852.

It is not a de Polignac number, because 2585121 - 2³ = 2585113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2585091 and 2585100.

It is not an unprimeable number, because it can be changed into a prime (2585123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83376 + ... + 83406.

It is an arithmetic number, because the mean of its divisors is an integer number (97536).

2^2585121 is an apocalyptic number.

2585121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2585121 is a deficient number, since it is larger than the sum of its proper divisors (2096607).

2585121 is a wasteful number, since it uses less digits than its factorization.

2585121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 71 counting only the distinct ones).

The product of its digits is 800, while the sum is 24.

The square root of 2585121 is about 1607.8311478510. The cubic root of 2585121 is about 137.2440815494.

The spelling of 2585121 in words is "two million, five hundred eighty-five thousand, one hundred twenty-one".