278483325 has 24 divisors (see below), whose sum is σ = 463803648. Its totient is φ = 147434880.

The previous prime is 278483311. The next prime is 278483327. The reversal of 278483325 is 523384872.

It is not a de Polignac number, because 278483325 - 2⁷ = 278483197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (278483327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3277 + ... + 23826.

It is an arithmetic number, because the mean of its divisors is an integer number (19325152).

Almost surely, 2^278483325 is an apocalyptic number.

278483325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

278483325 is a deficient number, since it is larger than the sum of its proper divisors (185320323).

278483325 is a wasteful number, since it uses less digits than its factorization.

278483325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27253 (or 27248 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 278483325 is about 16687.8196598597. The cubic root of 278483325 is about 653.0298979375.

The spelling of 278483325 in words is "two hundred seventy-eight million, four hundred eighty-three thousand, three hundred twenty-five".