654432125 has 16 divisors (see below), whose sum is σ = 844899120. Its totient is φ = 505489600.

The previous prime is 654432109. The next prime is 654432157. The reversal of 654432125 is 521234456.

It can be written as a sum of positive squares in 8 ways, for example, as 145974724 + 508457401 = 12082^2 + 22549^2 .

It is not a de Polignac number, because 654432125 - 2⁴ = 654432109 is a prime.

It is a super-3 number, since 3×654432125³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 654432091 and 654432100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86642 + ... + 93891.

It is an arithmetic number, because the mean of its divisors is an integer number (52806195).

Almost surely, 2^654432125 is an apocalyptic number.

It is an amenable number.

654432125 is a deficient number, since it is larger than the sum of its proper divisors (190466995).

654432125 is a wasteful number, since it uses less digits than its factorization.

654432125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180577 (or 180567 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 654432125 is about 25581.8710222689. The cubic root of 654432125 is about 868.2035087568.

The spelling of 654432125 in words is "six hundred fifty-four million, four hundred thirty-two thousand, one hundred twenty-five".