635675 has 12 divisors (see below), whose sum is σ = 806496. Its totient is φ = 496800.

The previous prime is 635659. The next prime is 635689. The reversal of 635675 is 576536.

It is not a de Polignac number, because 635675 - 2⁴ = 635659 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 905 + ... + 1445.

It is an arithmetic number, because the mean of its divisors is an integer number (67208).

2⁶³⁵⁶⁷⁵ is an apocalyptic number.

635675 is a deficient number, since it is larger than the sum of its proper divisors (170821).

635675 is a wasteful number, since it uses less digits than its factorization.

635675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598 (or 593 counting only the distinct ones).

The product of its digits is 18900, while the sum is 32.

The square root of 635675 is about 797.2922927007. The cubic root of 635675 is about 85.9828251262.

The spelling of 635675 in words is "six hundred thirty-five thousand, six hundred seventy-five".