315145027 has 2 divisors, whose sum is σ = 315145028. Its totient is φ = 315145026.

The previous prime is 315145013. The next prime is 315145043. The reversal of 315145027 is 720541513.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315145027 - 2⁷ = 315144899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315144986 and 315145004.

It is not a weakly prime, because it can be changed into another prime (315145007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157572513 + 157572514.

It is an arithmetic number, because the mean of its divisors is an integer number (157572514).

Almost surely, 2^315145027 is an apocalyptic number.

315145027 is a deficient number, since it is larger than the sum of its proper divisors (1).

315145027 is an equidigital number, since it uses as much as digits as its factorization.

315145027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 315145027 is about 17752.3245520129. The cubic root of 315145027 is about 680.5136164279.

The spelling of 315145027 in words is "three hundred fifteen million, one hundred forty-five thousand, twenty-seven".