315528361 has 2 divisors, whose sum is σ = 315528362. Its totient is φ = 315528360.

The previous prime is 315528359. The next prime is 315528377. The reversal of 315528361 is 163825513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245705625 + 69822736 = 15675^2 + 8356^2 .

It is an emirp because it is prime and its reverse (163825513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315528361 - 2¹ = 315528359 is a prime.

Together with 315528359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (315528461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157764180 + 157764181.

It is an arithmetic number, because the mean of its divisors is an integer number (157764181).

Almost surely, 2^315528361 is an apocalyptic number.

It is an amenable number.

315528361 is a deficient number, since it is larger than the sum of its proper divisors (1).

315528361 is an equidigital number, since it uses as much as digits as its factorization.

315528361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 34.

The square root of 315528361 is about 17763.1179976940. The cubic root of 315528361 is about 680.7894241633.

The spelling of 315528361 in words is "three hundred fifteen million, five hundred twenty-eight thousand, three hundred sixty-one".