5220649 has 16 divisors (see below), whose sum is σ = 6652800. Its totient is φ = 3988224.

The previous prime is 5220647. The next prime is 5220661. The reversal of 5220649 is 9460225.

It is a cyclic number.

It is not a de Polignac number, because 5220649 - 2¹ = 5220647 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5220641) 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, 1107 + ... + 3415.

It is an arithmetic number, because the mean of its divisors is an integer number (415800).

Almost surely, 2^5220649 is an apocalyptic number.

It is an amenable number.

5220649 is a deficient number, since it is larger than the sum of its proper divisors (1432151).

5220649 is a wasteful number, since it uses less digits than its factorization.

5220649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 5220649 is about 2284.8739571364. The cubic root of 5220649 is about 173.4768383403.

The spelling of 5220649 in words is "five million, two hundred twenty thousand, six hundred forty-nine".