2421611 has 4 divisors (see below), whose sum is σ = 2426424. Its totient is φ = 2416800.

The previous prime is 2421593. The next prime is 2421641. The reversal of 2421611 is 1161242.

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 2421611 - 2⁶ = 2421547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2421611.

It is not an unprimeable number, because it can be changed into a prime (2421641) 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, 1550 + ... + 2691.

It is an arithmetic number, because the mean of its divisors is an integer number (606606).

2^2421611 is an apocalyptic number.

2421611 is a deficient number, since it is larger than the sum of its proper divisors (4813).

2421611 is an equidigital number, since it uses as much as digits as its factorization.

2421611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4812.

The product of its digits is 96, while the sum is 17.

The square root of 2421611 is about 1556.1526274759. The cubic root of 2421611 is about 134.2872541266.

Adding to 2421611 its reverse (1161242), we get a palindrome (3582853).

The spelling of 2421611 in words is "two million, four hundred twenty-one thousand, six hundred eleven".