5636531201 has 6 divisors (see below), whose sum is σ = 6556781250. Its totient is φ = 4831312416.

The previous prime is 5636531161. The next prime is 5636531209. The reversal of 5636531201 is 1021356365.

It can be written as a sum of positive squares in only one way, i.e., 5369372176 + 267159025 = 73276^2 + 16345^2 .

It is not a de Polignac number, because 5636531201 - 2⁶ = 5636531137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5636531209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57515576 + ... + 57515673.

It is an arithmetic number, because the mean of its divisors is an integer number (1092796875).

Almost surely, 2^5636531201 is an apocalyptic number.

It is an amenable number.

5636531201 is a deficient number, since it is larger than the sum of its proper divisors (920250049).

5636531201 is a wasteful number, since it uses less digits than its factorization.

5636531201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115031263 (or 115031256 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 5636531201 is about 75076.8353155619. The cubic root of 5636531201 is about 1779.6610894757.

Adding to 5636531201 its reverse (1021356365), we get a palindrome (6657887566).

The spelling of 5636531201 in words is "five billion, six hundred thirty-six million, five hundred thirty-one thousand, two hundred one".