284912425 has 12 divisors (see below), whose sum is σ = 403761856. Its totient is φ = 195368400.

The previous prime is 284912417. The next prime is 284912491. The reversal of 284912425 is 524219482.

It is not a de Polignac number, because 284912425 - 2³ = 284912417 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

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, 813861 + ... + 814210.

Almost surely, 2^284912425 is an apocalyptic number.

284912425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

284912425 is a deficient number, since it is larger than the sum of its proper divisors (118849431).

284912425 is a wasteful number, since it uses less digits than its factorization.

284912425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628088 (or 1628083 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 284912425 is about 16879.3490692029. The cubic root of 284912425 is about 658.0170240697.

The spelling of 284912425 in words is "two hundred eighty-four million, nine hundred twelve thousand, four hundred twenty-five".