636095 has 4 divisors (see below), whose sum is σ = 763320. Its totient is φ = 508872.

The previous prime is 636073. The next prime is 636107. The reversal of 636095 is 590636.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 636095 - 2¹⁴ = 619711 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63605 + ... + 63614.

It is an arithmetic number, because the mean of its divisors is an integer number (190830).

2⁶³⁶⁰⁹⁵ is an apocalyptic number.

636095 is a deficient number, since it is larger than the sum of its proper divisors (127225).

636095 is a wasteful number, since it uses less digits than its factorization.

636095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127224.

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

The square root of 636095 is about 797.5556406922. Note that the first 3 decimals coincide. The cubic root of 636095 is about 86.0017576709.

The spelling of 636095 in words is "six hundred thirty-six thousand, ninety-five".