2503385 has 4 divisors (see below), whose sum is σ = 3004068. Its totient is φ = 2002704.

The previous prime is 2503381. The next prime is 2503387. The reversal of 2503385 is 5833052.

2503385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1194649 + 1308736 = 1093^2 + 1144^2 .

It is a cyclic number.

It is not a de Polignac number, because 2503385 - 2² = 2503381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2503381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250334 + ... + 250343.

It is an arithmetic number, because the mean of its divisors is an integer number (751017).

2^2503385 is an apocalyptic number.

It is an amenable number.

2503385 is a deficient number, since it is larger than the sum of its proper divisors (500683).

2503385 is an equidigital number, since it uses as much as digits as its factorization.

2503385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500682.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2503385 is about 1582.2088989764. The cubic root of 2503385 is about 135.7821085615.

The spelling of 2503385 in words is "two million, five hundred three thousand, three hundred eighty-five".