636059 has 2 divisors, whose sum is σ = 636060. Its totient is φ = 636058.

The previous prime is 636043. The next prime is 636061. The reversal of 636059 is 950636.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 636059 - 2⁴ = 636043 is a prime.

Together with 636061, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (636359) 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, 318029 + 318030.

It is an arithmetic number, because the mean of its divisors is an integer number (318030).

2⁶³⁶⁰⁵⁹ is an apocalyptic number.

636059 is a deficient number, since it is larger than the sum of its proper divisors (1).

636059 is an equidigital number, since it uses as much as digits as its factorization.

636059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 636059 is about 797.5330714146. The cubic root of 636059 is about 86.0001352080. Note that the first 3 decimals are identical.

The spelling of 636059 in words is "six hundred thirty-six thousand, fifty-nine".