2642417 has 4 divisors (see below), whose sum is σ = 2650596. Its totient is φ = 2634240.

The previous prime is 2642389. The next prime is 2642449. The reversal of 2642417 is 7142462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 817216 + 1825201 = 904^2 + 1351^2 .

It is a cyclic number.

It is not a de Polignac number, because 2642417 - 2²⁰ = 1593841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2642117) 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, 3584 + ... + 4257.

It is an arithmetic number, because the mean of its divisors is an integer number (662649).

2^2642417 is an apocalyptic number.

It is an amenable number.

2642417 is a deficient number, since it is larger than the sum of its proper divisors (8179).

2642417 is an equidigital number, since it uses as much as digits as its factorization.

2642417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8178.

The product of its digits is 2688, while the sum is 26.

The square root of 2642417 is about 1625.5512911010. The cubic root of 2642417 is about 138.2506297475.

Adding to 2642417 its reverse (7142462), we get a palindrome (9784879).

The spelling of 2642417 in words is "two million, six hundred forty-two thousand, four hundred seventeen".