319247 has 4 divisors (see below), whose sum is σ = 321816. Its totient is φ = 316680.

The previous prime is 319237. The next prime is 319259. The reversal of 319247 is 742913.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 319247 - 2⁶ = 319183 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1088 + ... + 1349.

It is an arithmetic number, because the mean of its divisors is an integer number (80454).

2³¹⁹²⁴⁷ is an apocalyptic number.

319247 is a deficient number, since it is larger than the sum of its proper divisors (2569).

319247 is a wasteful number, since it uses less digits than its factorization.

319247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568.

The product of its digits is 1512, while the sum is 26.

The square root of 319247 is about 565.0194686911. The cubic root of 319247 is about 68.3453452345.

The spelling of 319247 in words is "three hundred nineteen thousand, two hundred forty-seven".