278483 has 4 divisors (see below), whose sum is σ = 293160. Its totient is φ = 263808.

The previous prime is 278479. The next prime is 278489. The reversal of 278483 is 384872.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 278483 - 2² = 278479 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a zygodrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (278489) 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, 7310 + ... + 7347.

It is an arithmetic number, because the mean of its divisors is an integer number (73290).

2²⁷⁸⁴⁸³ is an apocalyptic number.

278483 is a deficient number, since it is larger than the sum of its proper divisors (14677).

278483 is a wasteful number, since it uses less digits than its factorization.

278483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14676.

The product of its digits is 10752, while the sum is 32.

The square root of 278483 is about 527.7148851416. The cubic root of 278483 is about 65.3029643901.

The spelling of 278483 in words is "two hundred seventy-eight thousand, four hundred eighty-three".