278063 has 2 divisors, whose sum is σ = 278064. Its totient is φ = 278062.

The previous prime is 278051. The next prime is 278071. The reversal of 278063 is 360872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 278063 - 2⁶ = 277999 is a prime.

It is an Ulam number.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (278363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139031 + 139032.

It is an arithmetic number, because the mean of its divisors is an integer number (139032).

2²⁷⁸⁰⁶³ is an apocalyptic number.

278063 is a deficient number, since it is larger than the sum of its proper divisors (1).

278063 is an equidigital number, since it uses as much as digits as its factorization.

278063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 278063 is about 527.3167928295. The cubic root of 278063 is about 65.2701185253.

The spelling of 278063 in words is "two hundred seventy-eight thousand, sixty-three".