2645317 has 4 divisors (see below), whose sum is σ = 2706880. Its totient is φ = 2583756.

The previous prime is 2645311. The next prime is 2645329. The reversal of 2645317 is 7135462.

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 a cyclic number.

It is not a de Polignac number, because 2645317 - 2⁷ = 2645189 is a prime.

It is a Duffinian number.

2645317 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645311) 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, 30717 + ... + 30802.

It is an arithmetic number, because the mean of its divisors is an integer number (676720).

2^2645317 is an apocalyptic number.

It is an amenable number.

2645317 is a deficient number, since it is larger than the sum of its proper divisors (61563).

2645317 is an equidigital number, since it uses as much as digits as its factorization.

2645317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61562.

The product of its digits is 5040, while the sum is 28.

The square root of 2645317 is about 1626.4430515699. The cubic root of 2645317 is about 138.3011870272.

The spelling of 2645317 in words is "two million, six hundred forty-five thousand, three hundred seventeen".