315415385 has 16 divisors (see below), whose sum is σ = 384072192. Its totient is φ = 248640000.

The previous prime is 315415367. The next prime is 315415403. The reversal of 315415385 is 583514513.

It is an interprime number because it is at equal distance from previous prime (315415367) and next prime (315415403).

It is not a de Polignac number, because 315415385 - 2¹² = 315411289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120440 + ... + 123030.

It is an arithmetic number, because the mean of its divisors is an integer number (24004512).

Almost surely, 2^315415385 is an apocalyptic number.

It is an amenable number.

315415385 is a deficient number, since it is larger than the sum of its proper divisors (68656807).

315415385 is a wasteful number, since it uses less digits than its factorization.

315415385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944.

The product of its digits is 36000, while the sum is 35.

The square root of 315415385 is about 17759.9376406563. The cubic root of 315415385 is about 680.7081614762.

Adding to 315415385 its reverse (583514513), we get a palindrome (898929898).

The spelling of 315415385 in words is "three hundred fifteen million, four hundred fifteen thousand, three hundred eighty-five".