2591017 has 8 divisors (see below), whose sum is σ = 3044160. Its totient is φ = 2174160.

The previous prime is 2590997. The next prime is 2591023. The reversal of 2591017 is 7101952.

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 2591017 - 2¹¹ = 2588969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2590982 and 2591000.

It is not an unprimeable number, because it can be changed into a prime (2591027) 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, 8917 + ... + 9202.

It is an arithmetic number, because the mean of its divisors is an integer number (380520).

2^2591017 is an apocalyptic number.

It is an amenable number.

2591017 is a deficient number, since it is larger than the sum of its proper divisors (453143).

2591017 is a wasteful number, since it uses less digits than its factorization.

2591017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18143.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 2591017 is about 1609.6636294580. The cubic root of 2591017 is about 137.3483418783.

Adding to 2591017 its reverse (7101952), we get a palindrome (9692969).

The spelling of 2591017 in words is "two million, five hundred ninety-one thousand, seventeen".