280814113 has 2 divisors, whose sum is σ = 280814114. Its totient is φ = 280814112.

The previous prime is 280814077. The next prime is 280814141. The reversal of 280814113 is 311418082.

It is an a-pointer prime, because the next prime (280814141) can be obtained adding 280814113 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255744064 + 25070049 = 15992^2 + 5007^2 .

It is a cyclic number.

It is not a de Polignac number, because 280814113 - 2¹⁷ = 280683041 is a prime.

It is not a weakly prime, because it can be changed into another prime (280814173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140407056 + 140407057.

It is an arithmetic number, because the mean of its divisors is an integer number (140407057).

Almost surely, 2^280814113 is an apocalyptic number.

It is an amenable number.

280814113 is a deficient number, since it is larger than the sum of its proper divisors (1).

280814113 is an equidigital number, since it uses as much as digits as its factorization.

280814113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 280814113 is about 16757.5091526157. The cubic root of 280814113 is about 654.8467003279.

The spelling of 280814113 in words is "two hundred eighty million, eight hundred fourteen thousand, one hundred thirteen".