5678521201 has 4 divisors (see below), whose sum is σ = 5742324900. Its totient is φ = 5614717504.

The previous prime is 5678521183. The next prime is 5678521223. The reversal of 5678521201 is 1021258765.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 999824400 + 4678696801 = 31620^2 + 68401^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5678521201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5678521231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31901716 + ... + 31901893.

It is an arithmetic number, because the mean of its divisors is an integer number (1435581225).

Almost surely, 2^5678521201 is an apocalyptic number.

It is an amenable number.

5678521201 is a deficient number, since it is larger than the sum of its proper divisors (63803699).

5678521201 is an equidigital number, since it uses as much as digits as its factorization.

5678521201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63803698.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 5678521201 is about 75355.9632743156. The cubic root of 5678521201 is about 1784.0694253692.

Adding to 5678521201 its reverse (1021258765), we get a palindrome (6699779966).

The spelling of 5678521201 in words is "five billion, six hundred seventy-eight million, five hundred twenty-one thousand, two hundred one".