285025426 has 8 divisors (see below), whose sum is σ = 488615040. Its totient is φ = 122153748.

The previous prime is 285025421. The next prime is 285025463. The reversal of 285025426 is 624520582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 285025391 and 285025400.

It is not an unprimeable number, because it can be changed into a prime (285025421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10179466 + ... + 10179493.

It is an arithmetic number, because the mean of its divisors is an integer number (61076880).

Almost surely, 2^285025426 is an apocalyptic number.

285025426 is a deficient number, since it is larger than the sum of its proper divisors (203589614).

285025426 is a wasteful number, since it uses less digits than its factorization.

285025426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20358968.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 285025426 is about 16882.6960524674. The cubic root of 285025426 is about 658.1040060649.

The spelling of 285025426 in words is "two hundred eighty-five million, twenty-five thousand, four hundred twenty-six".