5217385 has 8 divisors (see below), whose sum is σ = 6629256. Its totient is φ = 3928320.

The previous prime is 5217379. The next prime is 5217403. The reversal of 5217385 is 5837125.

It can be written as a sum of positive squares in 4 ways, for example, as 141376 + 5076009 = 376^2 + 2253^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5217385 - 2⁵ = 5217353 is a prime.

It is a super-2 number, since 2×5217385² = 54442212476450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 30606 + ... + 30775.

It is an arithmetic number, because the mean of its divisors is an integer number (828657).

Almost surely, 2^5217385 is an apocalyptic number.

It is an amenable number.

5217385 is a deficient number, since it is larger than the sum of its proper divisors (1411871).

5217385 is a wasteful number, since it uses less digits than its factorization.

5217385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61403.

The product of its digits is 8400, while the sum is 31.

The square root of 5217385 is about 2284.1595828663. The cubic root of 5217385 is about 173.4406776736.

The spelling of 5217385 in words is "five million, two hundred seventeen thousand, three hundred eighty-five".