5220909 has 8 divisors (see below), whose sum is σ = 7734720. Its totient is φ = 3480588.

The previous prime is 5220907. The next prime is 5220911. The reversal of 5220909 is 9090225.

It is an interprime number because it is at equal distance from previous prime (5220907) and next prime (5220911).

It is not a de Polignac number, because 5220909 - 2¹ = 5220907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 193367 = 5220909 / (5 + 2 + 2 + 0 + 9 + 0 + 9).

5220909 is a modest number, since divided by 909 gives 522 as remainder.

5220909 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220907) by changing a digit.

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, 96657 + ... + 96710.

It is an arithmetic number, because the mean of its divisors is an integer number (966840).

Almost surely, 2^5220909 is an apocalyptic number.

It is an amenable number.

5220909 is a deficient number, since it is larger than the sum of its proper divisors (2513811).

5220909 is a wasteful number, since it uses less digits than its factorization.

5220909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193376 (or 193370 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 5220909 is about 2284.9308523454. The cubic root of 5220909 is about 173.4797181373.

The spelling of 5220909 in words is "five million, two hundred twenty thousand, nine hundred nine".