314581 has 2 divisors, whose sum is σ = 314582. Its totient is φ = 314580.

The previous prime is 314569. The next prime is 314591. The reversal of 314581 is 185413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180625 + 133956 = 425^2 + 366^2 .

It is a cyclic number.

It is not a de Polignac number, because 314581 - 2⁵ = 314549 is a prime.

It is a super-2 number, since 2×314581² = 197922411122, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157290 + 157291.

It is an arithmetic number, because the mean of its divisors is an integer number (157291).

2³¹⁴⁵⁸¹ is an apocalyptic number.

It is an amenable number.

314581 is a deficient number, since it is larger than the sum of its proper divisors (1).

314581 is an equidigital number, since it uses as much as digits as its factorization.

314581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 22.

The square root of 314581 is about 560.8752089369. The cubic root of 314581 is about 68.0107393650.

Adding to 314581 its reverse (185413), we get a palindrome (499994).

The spelling of 314581 in words is "three hundred fourteen thousand, five hundred eighty-one".