636359 has 2 divisors, whose sum is σ = 636360. Its totient is φ = 636358.

The previous prime is 636353. The next prime is 636403. The reversal of 636359 is 953636.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 636359 - 2⁴ = 636343 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (636353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318179 + 318180.

It is an arithmetic number, because the mean of its divisors is an integer number (318180).

2⁶³⁶³⁵⁹ is an apocalyptic number.

636359 is a deficient number, since it is larger than the sum of its proper divisors (1).

636359 is an equidigital number, since it uses as much as digits as its factorization.

636359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 32.

The square root of 636359 is about 797.7211292175. The cubic root of 636359 is about 86.0136538624.

The spelling of 636359 in words is "six hundred thirty-six thousand, three hundred fifty-nine".