284272925 has 12 divisors (see below), whose sum is σ = 356748000. Its totient is φ = 224676720.

The previous prime is 284272913. The next prime is 284272951. The reversal of 284272925 is 529272482.

It is not a de Polignac number, because 284272925 - 2⁴ = 284272909 is a prime.

It is a super-2 number, since 2×284272925² = 161622191776111250, which contains 22 as substring.

It is a Curzon number.

It is a congruent 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, 66425 + ... + 70574.

It is an arithmetic number, because the mean of its divisors is an integer number (29729000).

Almost surely, 2^284272925 is an apocalyptic number.

284272925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

284272925 is a deficient number, since it is larger than the sum of its proper divisors (72475075).

284272925 is a wasteful number, since it uses less digits than its factorization.

284272925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137092 (or 137087 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 284272925 is about 16860.3951614427. The cubic root of 284272925 is about 657.5243380371.

The spelling of 284272925 in words is "two hundred eighty-four million, two hundred seventy-two thousand, nine hundred twenty-five".