5221504 has 48 divisors (see below), whose sum is σ = 11075670. Its totient is φ = 2451456.

The previous prime is 5221501. The next prime is 5221543. The reversal of 5221504 is 4051225.

It can be written as a sum of positive squares in only one way, i.e., 5198400 + 23104 = 2280^2 + 152^2 .

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46152 + ... + 46264.

Almost surely, 2^5221504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5221504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5537835).

5221504 is an abundant number, since it is smaller than the sum of its proper divisors (5854166).

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

5221504 is a wasteful number, since it uses less digits than its factorization.

5221504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 5221504 is about 2285.0610495127. The cubic root of 5221504 is about 173.4863080825.

Adding to 5221504 its reverse (4051225), we get a palindrome (9272729).

The spelling of 5221504 in words is "five million, two hundred twenty-one thousand, five hundred four".