516170125 has 8 divisors (see below), whose sum is σ = 644180472. Its totient is φ = 412936000.

The previous prime is 516170107. The next prime is 516170129. The reversal of 516170125 is 521071615.

It can be written as a sum of positive squares in 4 ways, for example, as 55681444 + 460488681 = 7462^2 + 21459^2 .

It is not a de Polignac number, because 516170125 - 2¹⁷ = 516039053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 516170093 and 516170102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516170129) 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 7 ways as a sum of consecutive naturals, for example, 2064556 + ... + 2064805.

It is an arithmetic number, because the mean of its divisors is an integer number (80522559).

Almost surely, 2^516170125 is an apocalyptic number.

It is an amenable number.

516170125 is a deficient number, since it is larger than the sum of its proper divisors (128010347).

516170125 is an equidigital number, since it uses as much as digits as its factorization.

516170125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129376 (or 4129366 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 516170125 is about 22719.3777423591. The cubic root of 516170125 is about 802.1660699870.

The spelling of 516170125 in words is "five hundred sixteen million, one hundred seventy thousand, one hundred twenty-five".