634925 has 12 divisors (see below), whose sum is σ = 797940. Its totient is φ = 501120.

The previous prime is 634903. The next prime is 634927. The reversal of 634925 is 529436.

It can be written as a sum of positive squares in 6 ways, for example, as 24964 + 609961 = 158^2 + 781^2 .

It is not a de Polignac number, because 634925 - 2⁶ = 634861 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 634925.

It is not an unprimeable number, because it can be changed into a prime (634927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2609 + ... + 2841.

It is an arithmetic number, because the mean of its divisors is an integer number (66495).

2⁶³⁴⁹²⁵ is an apocalyptic number.

It is an amenable number.

634925 is a deficient number, since it is larger than the sum of its proper divisors (163015).

634925 is a wasteful number, since it uses less digits than its factorization.

634925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 347 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 634925 is about 796.8218119505. The cubic root of 634925 is about 85.9489962582.

The spelling of 634925 in words is "six hundred thirty-four thousand, nine hundred twenty-five".