316530125 has 8 divisors (see below), whose sum is σ = 395029752. Its totient is φ = 253224000.

The previous prime is 316530121. The next prime is 316530133. The reversal of 316530125 is 521035613.

It can be written as a sum of positive squares in 4 ways, for example, as 4583881 + 311946244 = 2141^2 + 17662^2 .

It is not a de Polignac number, because 316530125 - 2² = 316530121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316530094 and 316530103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316530121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1265996 + ... + 1266245.

It is an arithmetic number, because the mean of its divisors is an integer number (49378719).

Almost surely, 2^316530125 is an apocalyptic number.

It is an amenable number.

316530125 is a deficient number, since it is larger than the sum of its proper divisors (78499627).

316530125 is an equidigital number, since it uses as much as digits as its factorization.

316530125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532256 (or 2532246 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 316530125 is about 17791.2935167739. The cubic root of 316530125 is about 681.5091374506.

Adding to 316530125 its reverse (521035613), we get a palindrome (837565738).

The spelling of 316530125 in words is "three hundred sixteen million, five hundred thirty thousand, one hundred twenty-five".