2421313 has 8 divisors (see below), whose sum is σ = 2496960. Its totient is φ = 2346960.

The previous prime is 2421311. The next prime is 2421319. The reversal of 2421313 is 3131242.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2421313 - 2¹ = 2421311 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 (2421311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4503 + ... + 5011.

It is an arithmetic number, because the mean of its divisors is an integer number (312120).

2^2421313 is an apocalyptic number.

It is an amenable number.

2421313 is a deficient number, since it is larger than the sum of its proper divisors (75647).

2421313 is an equidigital number, since it uses as much as digits as its factorization.

2421313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647.

The product of its digits is 144, while the sum is 16.

The square root of 2421313 is about 1556.0568755672. The cubic root of 2421313 is about 134.2817455013.

Adding to 2421313 its reverse (3131242), we get a palindrome (5552555).

The spelling of 2421313 in words is "two million, four hundred twenty-one thousand, three hundred thirteen".