5218701700 has 36 divisors (see below), whose sum is σ = 11357107300. Its totient is φ = 2081485440.

The previous prime is 5218701659. The next prime is 5218701703. The reversal of 5218701700 is 71078125.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 58003456 + 5160698244 = 7616^2 + 71838^2 .

It is not an unprimeable number, because it can be changed into a prime (5218701703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39867 + ... + 109666.

Almost surely, 2^5218701700 is an apocalyptic number.

5218701700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5218701700 is an abundant number, since it is smaller than the sum of its proper divisors (6138405600).

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

5218701700 is a wasteful number, since it uses less digits than its factorization.

5218701700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149896 (or 149889 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 5218701700 is about 72240.5820851410. The cubic root of 5218701700 is about 1734.5526672740.

Adding to 5218701700 its reverse (71078125), we get a palindrome (5289779825).

The spelling of 5218701700 in words is "five billion, two hundred eighteen million, seven hundred one thousand, seven hundred".