5321637361 has 2 divisors, whose sum is σ = 5321637362. Its totient is φ = 5321637360.

The previous prime is 5321637319. The next prime is 5321637367. The reversal of 5321637361 is 1637361235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4592637361 + 729000000 = 67769^2 + 27000^2 .

It is a cyclic number.

It is not a de Polignac number, because 5321637361 - 2⁹ = 5321636849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5321637361.

It is not a weakly prime, because it can be changed into another prime (5321637367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2660818680 + 2660818681.

It is an arithmetic number, because the mean of its divisors is an integer number (2660818681).

Almost surely, 2^5321637361 is an apocalyptic number.

It is an amenable number.

5321637361 is a deficient number, since it is larger than the sum of its proper divisors (1).

5321637361 is an equidigital number, since it uses as much as digits as its factorization.

5321637361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 37.

The square root of 5321637361 is about 72949.5535353027. The cubic root of 5321637361 is about 1745.8828231049.

Adding to 5321637361 its reverse (1637361235), we get a palindrome (6958998596).

The spelling of 5321637361 in words is "five billion, three hundred twenty-one million, six hundred thirty-seven thousand, three hundred sixty-one".