2564017 has 8 divisors (see below), whose sum is σ = 2741760. Its totient is φ = 2391840.

The previous prime is 2564011. The next prime is 2564027. The reversal of 2564017 is 7104652.

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 2564017 - 2¹¹ = 2561969 is a prime.

It is a Duffinian number.

2564017 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2563982 and 2564000.

It is not an unprimeable number, because it can be changed into a prime (2564011) 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 7 ways as a sum of consecutive naturals, for example, 417 + ... + 2302.

It is an arithmetic number, because the mean of its divisors is an integer number (342720).

2^2564017 is an apocalyptic number.

It is an amenable number.

2564017 is a deficient number, since it is larger than the sum of its proper divisors (177743).

2564017 is a wasteful number, since it uses less digits than its factorization.

2564017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2564017 is about 1601.2548204455. The cubic root of 2564017 is about 136.8695901478.

Adding to 2564017 its reverse (7104652), we get a palindrome (9668669).

The spelling of 2564017 in words is "two million, five hundred sixty-four thousand, seventeen".