315752385 has 16 divisors (see below), whose sum is σ = 544065984. Its totient is φ = 155447232.

The previous prime is 315752383. The next prime is 315752387. The reversal of 315752385 is 583257513.

It is an interprime number because it is at equal distance from previous prime (315752383) and next prime (315752387).

It is not a de Polignac number, because 315752385 - 2¹ = 315752383 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (315752383) 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 in 15 ways as a sum of consecutive naturals, for example, 809427 + ... + 809816.

It is an arithmetic number, because the mean of its divisors is an integer number (34004124).

Almost surely, 2^315752385 is an apocalyptic number.

It is an amenable number.

315752385 is a deficient number, since it is larger than the sum of its proper divisors (228313599).

315752385 is a wasteful number, since it uses less digits than its factorization.

315752385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619264.

The product of its digits is 126000, while the sum is 39.

The square root of 315752385 is about 17769.4227537081. The cubic root of 315752385 is about 680.9505053935.

The spelling of 315752385 in words is "three hundred fifteen million, seven hundred fifty-two thousand, three hundred eighty-five".