5217478 has 8 divisors (see below), whose sum is σ = 8944272. Its totient is φ = 2236056.

The previous prime is 5217469. The next prime is 5217493. The reversal of 5217478 is 8747125.

It is a happy number.

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

It is an Ulam number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 186325 + ... + 186352.

It is an arithmetic number, because the mean of its divisors is an integer number (1118034).

Almost surely, 2^5217478 is an apocalyptic number.

5217478 is a deficient number, since it is larger than the sum of its proper divisors (3726794).

5217478 is a wasteful number, since it uses less digits than its factorization.

5217478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372686.

The product of its digits is 15680, while the sum is 34.

The square root of 5217478 is about 2284.1799403725. The cubic root of 5217478 is about 173.4417081954.

The spelling of 5217478 in words is "five million, two hundred seventeen thousand, four hundred seventy-eight".