5317645 has 4 divisors (see below), whose sum is σ = 6381180. Its totient is φ = 4254112.

The previous prime is 5317639. The next prime is 5317699. The reversal of 5317645 is 5467135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5467135 = 5 ⋅1093427.

It can be written as a sum of positive squares in 2 ways, for example, as 1920996 + 3396649 = 1386^2 + 1843^2 .

It is a cyclic number.

It is not a de Polignac number, because 5317645 - 2⁷ = 5317517 is a prime.

It is a super-3 number, since 3×5317645³ (a number of 21 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531760 + ... + 531769.

It is an arithmetic number, because the mean of its divisors is an integer number (1595295).

Almost surely, 2^5317645 is an apocalyptic number.

It is an amenable number.

5317645 is a deficient number, since it is larger than the sum of its proper divisors (1063535).

5317645 is a wasteful number, since it uses less digits than its factorization.

5317645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063534.

The product of its digits is 12600, while the sum is 31.

The square root of 5317645 is about 2306.0019514302. The cubic root of 5317645 is about 174.5446119274.

The spelling of 5317645 in words is "five million, three hundred seventeen thousand, six hundred forty-five".