5220351504 has 135 divisors (see below), whose sum is σ = 15239211663. Its totient is φ = 1732313952.

The previous prime is 5220351491. The next prime is 5220351569. The reversal of 5220351504 is 4051530225.

It is a happy number.

The square root of 5220351504 is 72252.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 23409537 + ... + 23409759.

Almost surely, 2^5220351504 is an apocalyptic number.

5220351504 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

5220351504 is the 72252-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5220351504

5220351504 is an abundant number, since it is smaller than the sum of its proper divisors (10018860159).

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

5220351504 is an frugal number, since it uses more digits than its factorization.

5220351504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The cubic root of 5220351504 is about 1734.7354311484.

Adding to 5220351504 its reverse (4051530225), we get a palindrome (9271881729).

The spelling of 5220351504 in words is "five billion, two hundred twenty million, three hundred fifty-one thousand, five hundred four".