634042125 has 24 divisors (see below), whose sum is σ = 1142968632. Its totient is φ = 338155200.

The previous prime is 634042121. The next prime is 634042151. The reversal of 634042125 is 521240436.

634042125 is a `hidden beast` number, since 634 + 0 + 4 + 2 + 1 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 142134084 + 491908041 = 11922^2 + 22179^2 .

It is not a de Polignac number, because 634042125 - 2² = 634042121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634042121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 280672 + ... + 282921.

It is an arithmetic number, because the mean of its divisors is an integer number (47623693).

Almost surely, 2^634042125 is an apocalyptic number.

It is an amenable number.

634042125 is a deficient number, since it is larger than the sum of its proper divisors (508926507).

634042125 is a wasteful number, since it uses less digits than its factorization.

634042125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563614 (or 563601 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 634042125 is about 25180.1931088703. The cubic root of 634042125 is about 859.0913988713.

The spelling of 634042125 in words is "six hundred thirty-four million, forty-two thousand, one hundred twenty-five".