5636251 has 2 divisors, whose sum is σ = 5636252. Its totient is φ = 5636250.

The previous prime is 5636249. The next prime is 5636261. The reversal of 5636251 is 1526365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5636251 - 2¹ = 5636249 is a prime.

Together with 5636249, it forms a pair of twin primes.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (5636201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2818125 + 2818126.

It is an arithmetic number, because the mean of its divisors is an integer number (2818126).

Almost surely, 2^5636251 is an apocalyptic number.

5636251 is a deficient number, since it is larger than the sum of its proper divisors (1).

5636251 is an equidigital number, since it uses as much as digits as its factorization.

5636251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 28.

The square root of 5636251 is about 2374.0789793097. The cubic root of 5636251 is about 177.9631599052.

The spelling of 5636251 in words is "five million, six hundred thirty-six thousand, two hundred fifty-one".