315854863 has 4 divisors (see below), whose sum is σ = 326746440. Its totient is φ = 304963288.

The previous prime is 315854839. The next prime is 315854897. The reversal of 315854863 is 368458513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 368458513 = 41 ⋅8986793.

It is a cyclic number.

It is not a de Polignac number, because 315854863 - 2²¹ = 313757711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315854663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5445745 + ... + 5445802.

It is an arithmetic number, because the mean of its divisors is an integer number (81686610).

Almost surely, 2^315854863 is an apocalyptic number.

315854863 is a deficient number, since it is larger than the sum of its proper divisors (10891577).

315854863 is a wasteful number, since it uses less digits than its factorization.

315854863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10891576.

The product of its digits is 345600, while the sum is 43.

The square root of 315854863 is about 17772.3060687126. The cubic root of 315854863 is about 681.0241653258.

The spelling of 315854863 in words is "three hundred fifteen million, eight hundred fifty-four thousand, eight hundred sixty-three".