2523385 has 4 divisors (see below), whose sum is σ = 3028068. Its totient is φ = 2018704.

The previous prime is 2523379. The next prime is 2523401. The reversal of 2523385 is 5833252.

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 1776889 + 746496 = 1333^2 + 864^2 .

It is a cyclic number.

It is not a de Polignac number, because 2523385 - 2¹³ = 2515193 is a prime.

It is a Duffinian number.

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, 252334 + ... + 252343.

It is an arithmetic number, because the mean of its divisors is an integer number (757017).

2^2523385 is an apocalyptic number.

It is an amenable number.

2523385 is a deficient number, since it is larger than the sum of its proper divisors (504683).

2523385 is an equidigital number, since it uses as much as digits as its factorization.

2523385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504682.

The product of its digits is 7200, while the sum is 28.

The square root of 2523385 is about 1588.5166036274. The cubic root of 2523385 is about 136.1427458825.

The spelling of 2523385 in words is "two million, five hundred twenty-three thousand, three hundred eighty-five".