5381520 has 80 divisors (see below), whose sum is σ = 17677440. Its totient is φ = 1349632.

The previous prime is 5381491. The next prime is 5381521. The reversal of 5381520 is 251835.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (5381521) 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, 3421 + ... + 4739.

It is an arithmetic number, because the mean of its divisors is an integer number (220968).

Almost surely, 2^5381520 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 5381520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8838720).

5381520 is an abundant number, since it is smaller than the sum of its proper divisors (12295920).

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

5381520 is a wasteful number, since it uses less digits than its factorization.

5381520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352 (or 1346 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 5381520 is about 2319.8103370750. The cubic root of 5381520 is about 175.2407027885.

It can be divided in two parts, 53815 and 20, that added together give a palindrome (53835).

The spelling of 5381520 in words is "five million, three hundred eighty-one thousand, five hundred twenty".