315644065 has 16 divisors (see below), whose sum is σ = 431174016. Its totient is φ = 219577600.

The previous prime is 315644047. The next prime is 315644071. The reversal of 315644065 is 560446513.

It is not a de Polignac number, because 315644065 - 2⁹ = 315643553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315644065.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123496 + ... + 126025.

It is an arithmetic number, because the mean of its divisors is an integer number (26948376).

Almost surely, 2^315644065 is an apocalyptic number.

It is an amenable number.

315644065 is a deficient number, since it is larger than the sum of its proper divisors (115529951).

315644065 is a wasteful number, since it uses less digits than its factorization.

315644065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249560.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 315644065 is about 17766.3745598251. The cubic root of 315644065 is about 680.8726289746.

The spelling of 315644065 in words is "three hundred fifteen million, six hundred forty-four thousand, sixty-five".