5640522 has 8 divisors (see below), whose sum is σ = 11281056. Its totient is φ = 1880172.

The previous prime is 5640463. The next prime is 5640527. The reversal of 5640522 is 2250465.

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

5640522 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 5640492 and 5640501.

It is not an unprimeable number, because it can be changed into a prime (5640527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470038 + ... + 470049.

It is an arithmetic number, because the mean of its divisors is an integer number (1410132).

Almost surely, 2^5640522 is an apocalyptic number.

5640522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5640522 is a wasteful number, since it uses less digits than its factorization.

5640522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940092.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 5640522 is about 2374.9783156905. The cubic root of 5640522 is about 178.0081004604.

Adding to 5640522 its reverse (2250465), we get a palindrome (7890987).

The spelling of 5640522 in words is "five million, six hundred forty thousand, five hundred twenty-two".