5217945 has 16 divisors (see below), whose sum is σ = 8377152. Its totient is φ = 2773440.

The previous prime is 5217943. The next prime is 5217991. The reversal of 5217945 is 5497125.

It is not a de Polignac number, because 5217945 - 2¹ = 5217943 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5217943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7794 + ... + 8436.

It is an arithmetic number, because the mean of its divisors is an integer number (523572).

Almost surely, 2^5217945 is an apocalyptic number.

It is an amenable number.

5217945 is a deficient number, since it is larger than the sum of its proper divisors (3159207).

5217945 is a wasteful number, since it uses less digits than its factorization.

5217945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192.

The product of its digits is 12600, while the sum is 33.

The square root of 5217945 is about 2284.2821629562. The cubic root of 5217945 is about 173.4468827811.

The spelling of 5217945 in words is "five million, two hundred seventeen thousand, nine hundred forty-five".