314521 has 4 divisors (see below), whose sum is σ = 315700. Its totient is φ = 313344.

The previous prime is 314513. The next prime is 314527. The reversal of 314521 is 125413.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 125413 = 83 ⋅1511.

It can be written as a sum of positive squares in 2 ways, for example, as 215296 + 99225 = 464^2 + 315^2 .

It is a cyclic number.

It is not a de Polignac number, because 314521 - 2³ = 314513 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 314495 and 314504.

It is not an unprimeable number, because it can be changed into a prime (314527) 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, 25 + ... + 793.

It is an arithmetic number, because the mean of its divisors is an integer number (78925).

2³¹⁴⁵²¹ is an apocalyptic number.

It is an amenable number.

314521 is a deficient number, since it is larger than the sum of its proper divisors (1179).

314521 is an equidigital number, since it uses as much as digits as its factorization.

314521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178.

The product of its digits is 120, while the sum is 16.

The square root of 314521 is about 560.8217185523. The cubic root of 314521 is about 68.0064151964.

Adding to 314521 its reverse (125413), we get a palindrome (439934).

The spelling of 314521 in words is "three hundred fourteen thousand, five hundred twenty-one".