5220985 has 32 divisors (see below), whose sum is σ = 7962624. Its totient is φ = 3192000.

The previous prime is 5220983. The next prime is 5220997. The reversal of 5220985 is 5890225.

It is a happy number.

It is not a de Polignac number, because 5220985 - 2¹ = 5220983 is a prime.

It is a Duffinian number.

5220985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5220983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27240 + ... + 27430.

It is an arithmetic number, because the mean of its divisors is an integer number (248832).

Almost surely, 2^5220985 is an apocalyptic number.

5220985 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5220985 is a deficient number, since it is larger than the sum of its proper divisors (2741639).

5220985 is a wasteful number, since it uses less digits than its factorization.

5220985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 5220985 is about 2284.9474829851. The cubic root of 5220985 is about 173.4805599061.

The spelling of 5220985 in words is "five million, two hundred twenty thousand, nine hundred eighty-five".