2502403 has 4 divisors (see below), whose sum is σ = 2543488. Its totient is φ = 2461320.

The previous prime is 2502397. The next prime is 2502407. The reversal of 2502403 is 3042052.

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

It is a cyclic number.

It is not a de Polignac number, because 2502403 - 2⁵ = 2502371 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (2502407) 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, 20451 + ... + 20572.

It is an arithmetic number, because the mean of its divisors is an integer number (635872).

2^2502403 is an apocalyptic number.

2502403 is a deficient number, since it is larger than the sum of its proper divisors (41085).

2502403 is an equidigital number, since it uses as much as digits as its factorization.

2502403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41084.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 2502403 is about 1581.8985428908. The cubic root of 2502403 is about 135.7643518748.

Adding to 2502403 its reverse (3042052), we get a palindrome (5544455).

The spelling of 2502403 in words is "two million, five hundred two thousand, four hundred three".