612546125 has 16 divisors (see below), whose sum is σ = 809428464. Its totient is φ = 461209600.

The previous prime is 612546041. The next prime is 612546127. The reversal of 612546125 is 521645216.

It can be written as a sum of positive squares in 8 ways, for example, as 9205156 + 603340969 = 3034^2 + 24563^2 .

It is a de Polignac number, because none of the positive numbers 2^k-612546125 is a prime.

It is a Duffinian number.

612546125 is a modest number, since divided by 46125 gives 6125 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 612546091 and 612546100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612546127) 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 15 ways as a sum of consecutive naturals, for example, 142004 + ... + 146253.

It is an arithmetic number, because the mean of its divisors is an integer number (50589279).

Almost surely, 2^612546125 is an apocalyptic number.

It is an amenable number.

612546125 is a deficient number, since it is larger than the sum of its proper divisors (196882339).

612546125 is a wasteful number, since it uses less digits than its factorization.

612546125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288289 (or 288279 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 612546125 is about 24749.6691897084. The cubic root of 612546125 is about 849.2709434846.

Subtracting from 612546125 its reverse (521645216), we obtain a palindrome (90900909).

The spelling of 612546125 in words is "six hundred twelve million, five hundred forty-six thousand, one hundred twenty-five".