315277 has 4 divisors (see below), whose sum is σ = 323836. Its totient is φ = 306720.

The previous prime is 315269. The next prime is 315281. The reversal of 315277 is 772513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 772513 = 7 ⋅110359.

It can be written as a sum of positive squares in 2 ways, for example, as 224676 + 90601 = 474^2 + 301^2 .

It is a cyclic number.

It is not a de Polignac number, because 315277 - 2³ = 315269 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 (315247) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4224 + ... + 4297.

It is an arithmetic number, because the mean of its divisors is an integer number (80959).

2³¹⁵²⁷⁷ is an apocalyptic number.

315277 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

315277 is a deficient number, since it is larger than the sum of its proper divisors (8559).

315277 is an equidigital number, since it uses as much as digits as its factorization.

315277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8558.

The product of its digits is 1470, while the sum is 25.

The square root of 315277 is about 561.4953250028. The cubic root of 315277 is about 68.0608595863.

The spelling of 315277 in words is "three hundred fifteen thousand, two hundred seventy-seven".