284355425 has 12 divisors (see below), whose sum is σ = 371159280. Its totient is φ = 215511120.

The previous prime is 284355391. The next prime is 284355433. The reversal of 284355425 is 524553482.

It is a happy number.

It is not a de Polignac number, because 284355425 - 2⁶ = 284355361 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 298847 + ... + 299796.

It is an arithmetic number, because the mean of its divisors is an integer number (30929940).

Almost surely, 2^284355425 is an apocalyptic number.

284355425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

284355425 is a deficient number, since it is larger than the sum of its proper divisors (86803855).

284355425 is a wasteful number, since it uses less digits than its factorization.

284355425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598672 (or 598667 counting only the distinct ones).

The product of its digits is 192000, while the sum is 38.

The square root of 284355425 is about 16862.8415458368. The cubic root of 284355425 is about 657.5879394876.

The spelling of 284355425 in words is "two hundred eighty-four million, three hundred fifty-five thousand, four hundred twenty-five".