2421502213 has 8 divisors (see below), whose sum is σ = 2656975608. Its totient is φ = 2193057984.

The previous prime is 2421502157. The next prime is 2421502241. The reversal of 2421502213 is 3122051242.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 88322404 + 2333179809 = 9398^2 + 48303^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2421502213 - 2⁹ = 2421501701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421502613) 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 7 ways as a sum of consecutive naturals, for example, 1756570 + ... + 1757947.

It is an arithmetic number, because the mean of its divisors is an integer number (332121951).

Almost surely, 2^2421502213 is an apocalyptic number.

It is an amenable number.

2421502213 is a deficient number, since it is larger than the sum of its proper divisors (235473395).

2421502213 is a wasteful number, since it uses less digits than its factorization.

2421502213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514583.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2421502213 is about 49208.7615471066. The cubic root of 2421502213 is about 1342.8524321651.

Adding to 2421502213 its reverse (3122051242), we get a palindrome (5543553455).

The spelling of 2421502213 in words is "two billion, four hundred twenty-one million, five hundred two thousand, two hundred thirteen".