2420503 has 4 divisors (see below), whose sum is σ = 2485960. Its totient is φ = 2355048.

The previous prime is 2420479. The next prime is 2420519. The reversal of 2420503 is 3050242.

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 2420503 - 2⁵ = 2420471 is a prime.

It is a Duffinian number.

2420503 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2429503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32673 + ... + 32746.

It is an arithmetic number, because the mean of its divisors is an integer number (621490).

2^2420503 is an apocalyptic number.

2420503 is a deficient number, since it is larger than the sum of its proper divisors (65457).

2420503 is an equidigital number, since it uses as much as digits as its factorization.

2420503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65456.

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

The square root of 2420503 is about 1555.7965805336. The cubic root of 2420503 is about 134.2667701078.

Adding to 2420503 its reverse (3050242), we get a palindrome (5470745).

The spelling of 2420503 in words is "two million, four hundred twenty thousand, five hundred three".