512345125 has 16 divisors (see below), whose sum is σ = 667210752. Its totient is φ = 392053200.

The previous prime is 512345123. The next prime is 512345137. The reversal of 512345125 is 521543215.

It is not a de Polignac number, because 512345125 - 2¹ = 512345123 is a prime.

It is a super-2 number, since 2×512345125² = 524995054222531250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 512345093 and 512345102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512345123) 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, 86229 + ... + 91978.

It is an arithmetic number, because the mean of its divisors is an integer number (41700672).

Almost surely, 2^512345125 is an apocalyptic number.

It is an amenable number.

512345125 is a deficient number, since it is larger than the sum of its proper divisors (154865627).

512345125 is a wasteful number, since it uses less digits than its factorization.

512345125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178245 (or 178235 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 512345125 is about 22635.0419703609. The cubic root of 512345125 is about 800.1797122305.

The spelling of 512345125 in words is "five hundred twelve million, three hundred forty-five thousand, one hundred twenty-five".