315272893 has 8 divisors (see below), whose sum is σ = 348701528. Its totient is φ = 283155264.

The previous prime is 315272887. The next prime is 315272899. The reversal of 315272893 is 398272513.

It is an interprime number because it is at equal distance from previous prime (315272887) and next prime (315272899).

It can be written as a sum of positive squares in 4 ways, for example, as 4173849 + 311099044 = 2043^2 + 17638^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315272893 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 (315272899) 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 7 ways as a sum of consecutive naturals, for example, 327246 + ... + 328207.

It is an arithmetic number, because the mean of its divisors is an integer number (43587691).

Almost surely, 2^315272893 is an apocalyptic number.

It is an amenable number.

315272893 is a deficient number, since it is larger than the sum of its proper divisors (33428635).

315272893 is a wasteful number, since it uses less digits than its factorization.

315272893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655503.

The product of its digits is 90720, while the sum is 40.

The square root of 315272893 is about 17755.9255742977. The cubic root of 315272893 is about 680.6056405024.

The spelling of 315272893 in words is "three hundred fifteen million, two hundred seventy-two thousand, eight hundred ninety-three".