281063 has 2 divisors, whose sum is σ = 281064. Its totient is φ = 281062.

The previous prime is 281053. The next prime is 281069. The reversal of 281063 is 360182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 281063 - 2¹⁸ = 18919 is a prime.

It is a plaindrome in base 12.

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 281063.

It is not a weakly prime, because it can be changed into another prime (281069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140531 + 140532.

It is an arithmetic number, because the mean of its divisors is an integer number (140532).

2²⁸¹⁰⁶³ is an apocalyptic number.

281063 is a deficient number, since it is larger than the sum of its proper divisors (1).

281063 is an equidigital number, since it uses as much as digits as its factorization.

281063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 281063 is about 530.1537512835. The cubic root of 281063 is about 65.5040107872.

The spelling of 281063 in words is "two hundred eighty-one thousand, sixty-three".