5431520 has 48 divisors (see below), whose sum is σ = 13018320. Its totient is φ = 2141184.

The previous prime is 5431507. The next prime is 5431523. The reversal of 5431520 is 251345.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 5431492 and 5431501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5431523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13076 + ... + 13484.

It is an arithmetic number, because the mean of its divisors is an integer number (271215).

Almost surely, 2^5431520 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 5431520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6509160).

5431520 is an abundant number, since it is smaller than the sum of its proper divisors (7586800).

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

5431520 is a wasteful number, since it uses less digits than its factorization.

5431520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 5431520 is about 2330.5621639424. The cubic root of 5431520 is about 175.7817542735.

Adding to 5431520 its reverse (251345), we get a palindrome (5682865).

The spelling of 5431520 in words is "five million, four hundred thirty-one thousand, five hundred twenty".