315325229 has 2 divisors, whose sum is σ = 315325230. Its totient is φ = 315325228.

The previous prime is 315325223. The next prime is 315325259. The reversal of 315325229 is 922523513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308704900 + 6620329 = 17570^2 + 2573^2 .

It is a cyclic number.

It is not a de Polignac number, because 315325229 - 2²⁴ = 298548013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315325195 and 315325204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315325223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157662614 + 157662615.

It is an arithmetic number, because the mean of its divisors is an integer number (157662615).

Almost surely, 2^315325229 is an apocalyptic number.

It is an amenable number.

315325229 is a deficient number, since it is larger than the sum of its proper divisors (1).

315325229 is an equidigital number, since it uses as much as digits as its factorization.

315325229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 32.

The square root of 315325229 is about 17757.3992746686. The cubic root of 315325229 is about 680.6432991010.

It can be divided in two parts, 3153 and 25229, that added together give a palindrome (28382).

The spelling of 315325229 in words is "three hundred fifteen million, three hundred twenty-five thousand, two hundred twenty-nine".