5636731 has 2 divisors, whose sum is σ = 5636732. Its totient is φ = 5636730.

The previous prime is 5636693. The next prime is 5636747. The reversal of 5636731 is 1376365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5636731 - 2²¹ = 3539579 is a prime.

It is a super-2 number, since 2×5636731² = 63545472732722, which contains 22 as substring.

It is a Chen prime.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 5636693 and 5636702.

It is not a weakly prime, because it can be changed into another prime (5636791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2818365 + 2818366.

It is an arithmetic number, because the mean of its divisors is an integer number (2818366).

Almost surely, 2^5636731 is an apocalyptic number.

5636731 is a deficient number, since it is larger than the sum of its proper divisors (1).

5636731 is an equidigital number, since it uses as much as digits as its factorization.

5636731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 31.

The square root of 5636731 is about 2374.1800689922. The cubic root of 5636731 is about 177.9682117202.

The spelling of 5636731 in words is "five million, six hundred thirty-six thousand, seven hundred thirty-one".