5631365237 has 2 divisors, whose sum is σ = 5631365238. Its totient is φ = 5631365236.

The previous prime is 5631365177. The next prime is 5631365273. The reversal of 5631365237 is 7325631365.

It is a happy number.

Together with next prime (5631365273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4668442276 + 962922961 = 68326^2 + 31031^2 .

It is a cyclic number.

It is not a de Polignac number, because 5631365237 - 2²⁰ = 5630316661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5631365194 and 5631365203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5631365437) 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 as a sum of consecutive naturals, namely, 2815682618 + 2815682619.

It is an arithmetic number, because the mean of its divisors is an integer number (2815682619).

Almost surely, 2^5631365237 is an apocalyptic number.

It is an amenable number.

5631365237 is a deficient number, since it is larger than the sum of its proper divisors (1).

5631365237 is an equidigital number, since it uses as much as digits as its factorization.

5631365237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 41.

The square root of 5631365237 is about 75042.4229153084. The cubic root of 5631365237 is about 1779.1172280751.

The spelling of 5631365237 in words is "five billion, six hundred thirty-one million, three hundred sixty-five thousand, two hundred thirty-seven".