2503489 has 4 divisors (see below), whose sum is σ = 2510020. Its totient is φ = 2496960.

The previous prime is 2503477. The next prime is 2503499. The reversal of 2503489 is 9843052.

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 1311025 + 1192464 = 1145^2 + 1092^2 .

It is a cyclic number.

It is not a de Polignac number, because 2503489 - 2¹⁷ = 2372417 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 2503489.

It is not an unprimeable number, because it can be changed into a prime (2503409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2652 + ... + 3469.

It is an arithmetic number, because the mean of its divisors is an integer number (627505).

2^2503489 is an apocalyptic number.

It is an amenable number.

2503489 is a deficient number, since it is larger than the sum of its proper divisors (6531).

2503489 is an equidigital number, since it uses as much as digits as its factorization.

2503489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6530.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2503489 is about 1582.2417640803. The cubic root of 2503489 is about 135.7839888348.

It can be divided in two parts, 2503 and 489, that added together give a palindrome (2992).

The spelling of 2503489 in words is "two million, five hundred three thousand, four hundred eighty-nine".