634575 has 12 divisors (see below), whose sum is σ = 1049288. Its totient is φ = 338400.

The previous prime is 634573. The next prime is 634577. The reversal of 634575 is 575436.

It is an interprime number because it is at equal distance from previous prime (634573) and next prime (634577).

It is not a de Polignac number, because 634575 - 2¹ = 634573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634573) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4156 + ... + 4305.

2⁶³⁴⁵⁷⁵ is an apocalyptic number.

634575 is a deficient number, since it is larger than the sum of its proper divisors (414713).

634575 is a wasteful number, since it uses less digits than its factorization.

634575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8474 (or 8469 counting only the distinct ones).

The product of its digits is 12600, while the sum is 30.

The square root of 634575 is about 796.6021591736. The cubic root of 634575 is about 85.9332003358.

The spelling of 634575 in words is "six hundred thirty-four thousand, five hundred seventy-five".