2421322003 has 4 divisors (see below), whose sum is σ = 2421492808. Its totient is φ = 2421151200.

The previous prime is 2421321977. The next prime is 2421322009. The reversal of 2421322003 is 3002231242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3002231242 = 2 ⋅1501115621.

It is a cyclic number.

It is not a de Polignac number, because 2421322003 - 2¹⁷ = 2421190931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421322009) 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, 62001 + ... + 93202.

It is an arithmetic number, because the mean of its divisors is an integer number (605373202).

Almost surely, 2^2421322003 is an apocalyptic number.

2421322003 is a deficient number, since it is larger than the sum of its proper divisors (170805).

2421322003 is a wasteful number, since it uses less digits than its factorization.

2421322003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170804.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2421322003 is about 49206.9304366773. The cubic root of 2421322003 is about 1342.8191193124.

Adding to 2421322003 its reverse (3002231242), we get a palindrome (5423553245).

The spelling of 2421322003 in words is "two billion, four hundred twenty-one million, three hundred twenty-two thousand, three".