634145025 has 24 divisors (see below), whose sum is σ = 1060244640. Its totient is φ = 334407040.

The previous prime is 634145003. The next prime is 634145047. The reversal of 634145025 is 520541436.

It is an interprime number because it is at equal distance from previous prime (634145003) and next prime (634145047).

It is not a de Polignac number, because 634145025 - 2¹⁴ = 634128641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 634144983 and 634145001.

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 23 ways as a sum of consecutive naturals, for example, 40827 + ... + 54176.

It is an arithmetic number, because the mean of its divisors is an integer number (44176860).

Almost surely, 2^634145025 is an apocalyptic number.

It is an amenable number.

634145025 is a deficient number, since it is larger than the sum of its proper divisors (426099615).

634145025 is a wasteful number, since it uses less digits than its factorization.

634145025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95105 (or 95100 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 634145025 is about 25182.2362986292. The cubic root of 634145025 is about 859.1378709271.

The spelling of 634145025 in words is "six hundred thirty-four million, one hundred forty-five thousand, twenty-five".