278552 has 8 divisors (see below), whose sum is σ = 522300. Its totient is φ = 139272.

The previous prime is 278549. The next prime is 278557. The reversal of 278552 is 255872.

278552 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (278557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17402 + ... + 17417.

2²⁷⁸⁵⁵² is an apocalyptic number.

It is an amenable number.

278552 is a deficient number, since it is larger than the sum of its proper divisors (243748).

278552 is a wasteful number, since it uses less digits than its factorization.

278552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34825 (or 34821 counting only the distinct ones).

The product of its digits is 5600, while the sum is 29.

The square root of 278552 is about 527.7802573041. The cubic root of 278552 is about 65.3083573374.

The spelling of 278552 in words is "two hundred seventy-eight thousand, five hundred fifty-two".