2421131 has 4 divisors (see below), whose sum is σ = 2499264. Its totient is φ = 2343000.

The previous prime is 2421119. The next prime is 2421137. The reversal of 2421131 is 1311242.

2421131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2421131 - 2¹⁴ = 2404747 is a prime.

It is a super-2 number, since 2×2421131² = 11723750638322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421137) 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 3 ways as a sum of consecutive naturals, for example, 39020 + ... + 39081.

It is an arithmetic number, because the mean of its divisors is an integer number (624816).

2^2421131 is an apocalyptic number.

2421131 is a deficient number, since it is larger than the sum of its proper divisors (78133).

2421131 is an equidigital number, since it uses as much as digits as its factorization.

2421131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78132.

The product of its digits is 48, while the sum is 14.

The square root of 2421131 is about 1555.9983933154. The cubic root of 2421131 is about 134.2783809507.

Adding to 2421131 its reverse (1311242), we get a palindrome (3732373).

It can be divided in two parts, 24211 and 31, that added together give a palindrome (24242).

The spelling of 2421131 in words is "two million, four hundred twenty-one thousand, one hundred thirty-one".