314981 has 4 divisors (see below), whose sum is σ = 323532. Its totient is φ = 306432.

The previous prime is 314957. The next prime is 314983. The reversal of 314981 is 189413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 189413 = 7 ⋅27059.

It can be written as a sum of positive squares in 2 ways, for example, as 297025 + 17956 = 545^2 + 134^2 .

It is a cyclic number.

It is not a de Polignac number, because 314981 - 2⁶ = 314917 is a prime.

It is a super-2 number, since 2×314981² = 198426060722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 314981.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 314981.

It is not an unprimeable number, because it can be changed into a prime (314983) 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, 4220 + ... + 4293.

It is an arithmetic number, because the mean of its divisors is an integer number (80883).

2³¹⁴⁹⁸¹ is an apocalyptic number.

It is an amenable number.

314981 is a deficient number, since it is larger than the sum of its proper divisors (8551).

314981 is an equidigital number, since it uses as much as digits as its factorization.

314981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8550.

The product of its digits is 864, while the sum is 26.

The square root of 314981 is about 561.2316812155. The cubic root of 314981 is about 68.0395531135.

The spelling of 314981 in words is "three hundred fourteen thousand, nine hundred eighty-one".