312613325 has 6 divisors (see below), whose sum is σ = 387640554. Its totient is φ = 250090640.

The previous prime is 312613321. The next prime is 312613361. The reversal of 312613325 is 523316213.

It can be written as a sum of positive squares in 3 ways, for example, as 243049 + 312370276 = 493^2 + 17674^2 .

It is not a de Polignac number, because 312613325 - 2² = 312613321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312613294 and 312613303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312613321) 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 5 ways as a sum of consecutive naturals, for example, 6252242 + ... + 6252291.

It is an arithmetic number, because the mean of its divisors is an integer number (64606759).

Almost surely, 2^312613325 is an apocalyptic number.

It is an amenable number.

312613325 is a deficient number, since it is larger than the sum of its proper divisors (75027229).

312613325 is a wasteful number, since it uses less digits than its factorization.

312613325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12504543 (or 12504538 counting only the distinct ones).

The product of its digits is 3240, while the sum is 26.

The square root of 312613325 is about 17680.8745541616. The cubic root of 312613325 is about 678.6864239353.

Adding to 312613325 its reverse (523316213), we get a palindrome (835929538).

The spelling of 312613325 in words is "three hundred twelve million, six hundred thirteen thousand, three hundred twenty-five".