5021520 has 160 divisors (see below), whose sum is σ = 18451200. Its totient is φ = 1128960.

The previous prime is 5021519. The next prime is 5021531. The reversal of 5021520 is 251205.

It is a super-2 number, since 2×5021520² = 50431326220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 5021520.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82290 + ... + 82350.

It is an arithmetic number, because the mean of its divisors is an integer number (115320).

Almost surely, 2^5021520 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 5021520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9225600).

5021520 is an abundant number, since it is smaller than the sum of its proper divisors (13429680).

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

5021520 is a wasteful number, since it uses less digits than its factorization.

5021520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 5021520 is about 2240.8748291683. The cubic root of 5021520 is about 171.2425680970.

Adding to 5021520 its reverse (251205), we get a palindrome (5272725).

The spelling of 5021520 in words is "five million, twenty-one thousand, five hundred twenty".