285947325 has 72 divisors (see below), whose sum is σ = 530799360. Its totient is φ = 147052800.

The previous prime is 285947281. The next prime is 285947393. The reversal of 285947325 is 523749582.

285947325 is a `hidden beast` number, since 28 + 594 + 7 + 32 + 5 = 666.

It is not a de Polignac number, because 285947325 - 2⁹ = 285946813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1282164 + ... + 1282386.

Almost surely, 2^285947325 is an apocalyptic number.

285947325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

285947325 is a deficient number, since it is larger than the sum of its proper divisors (244852035).

285947325 is a wasteful number, since it uses less digits than its factorization.

285947325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 411 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 285947325 is about 16909.9770845498. The cubic root of 285947325 is about 658.8127761420.

The spelling of 285947325 in words is "two hundred eighty-five million, nine hundred forty-seven thousand, three hundred twenty-five".