2523985 has 4 divisors (see below), whose sum is σ = 3028788. Its totient is φ = 2019184.

The previous prime is 2523967. The next prime is 2523991. The reversal of 2523985 is 5893252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1882384 + 641601 = 1372^2 + 801^2 .

It is a cyclic number.

It is not a de Polignac number, because 2523985 - 2⁵ = 2523953 is a prime.

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 2523985.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252394 + ... + 252403.

It is an arithmetic number, because the mean of its divisors is an integer number (757197).

2^2523985 is an apocalyptic number.

It is an amenable number.

2523985 is a deficient number, since it is larger than the sum of its proper divisors (504803).

2523985 is an equidigital number, since it uses as much as digits as its factorization.

2523985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504802.

The product of its digits is 21600, while the sum is 34.

The square root of 2523985 is about 1588.7054478411. The cubic root of 2523985 is about 136.1535355128.

The spelling of 2523985 in words is "two million, five hundred twenty-three thousand, nine hundred eighty-five".