2421617 has 4 divisors (see below), whose sum is σ = 2641776. Its totient is φ = 2201460.

The previous prime is 2421593. The next prime is 2421641. The reversal of 2421617 is 7161242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2421593) and next prime (2421641).

It is a cyclic number.

It is not a de Polignac number, because 2421617 - 2⁶ = 2421553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2421592 and 2421601.

It is not an unprimeable number, because it can be changed into a prime (2421817) 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, 110063 + ... + 110084.

It is an arithmetic number, because the mean of its divisors is an integer number (660444).

2^2421617 is an apocalyptic number.

It is an amenable number.

2421617 is a deficient number, since it is larger than the sum of its proper divisors (220159).

2421617 is a wasteful number, since it uses less digits than its factorization.

2421617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220158.

The product of its digits is 672, while the sum is 23.

The square root of 2421617 is about 1556.1545553061. The cubic root of 2421617 is about 134.2873650339.

Adding to 2421617 its reverse (7161242), we get a palindrome (9582859).

The spelling of 2421617 in words is "two million, four hundred twenty-one thousand, six hundred seventeen".