5312021504 has 44 divisors (see below), whose sum is σ = 10682785344. Its totient is φ = 2640021504.

The previous prime is 5312021489. The next prime is 5312021509. The reversal of 5312021504 is 4051202135.

It is a self number, because there is not a number n which added to its sum of digits gives 5312021504.

It is not an unprimeable number, because it can be changed into a prime (5312021509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155477 + ... + 186539.

It is an arithmetic number, because the mean of its divisors is an integer number (242790576).

Almost surely, 2^5312021504 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 5312021504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5341392672).

5312021504 is an abundant number, since it is smaller than the sum of its proper divisors (5370763840).

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

5312021504 is a wasteful number, since it uses less digits than its factorization.

5312021504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31250 (or 31232 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 5312021504 is about 72883.6161561705. The cubic root of 5312021504 is about 1744.8306230458.

Adding to 5312021504 its reverse (4051202135), we get a palindrome (9363223639).

The spelling of 5312021504 in words is "five billion, three hundred twelve million, twenty-one thousand, five hundred four".