315012065 has 8 divisors (see below), whose sum is σ = 391049640. Its totient is φ = 243319552.

The previous prime is 315012053. The next prime is 315012083. The reversal of 315012065 is 560210513.

It can be written as a sum of positive squares in 4 ways, for example, as 49224256 + 265787809 = 7016^2 + 16303^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315012065 - 2¹⁰ = 315011041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315012065.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1086104 + ... + 1086393.

It is an arithmetic number, because the mean of its divisors is an integer number (48881205).

Almost surely, 2^315012065 is an apocalyptic number.

It is an amenable number.

315012065 is a deficient number, since it is larger than the sum of its proper divisors (76037575).

315012065 is a wasteful number, since it uses less digits than its factorization.

315012065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172531.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 315012065 is about 17748.5792389137. The cubic root of 315012065 is about 680.4178984020.

Adding to 315012065 its reverse (560210513), we get a palindrome (875222578).

The spelling of 315012065 in words is "three hundred fifteen million, twelve thousand, sixty-five".