385420825 has 12 divisors (see below), whose sum is σ = 489037648. Its totient is φ = 301165200.

The previous prime is 385420771. The next prime is 385420853. The reversal of 385420825 is 528024583.

It is not a de Polignac number, because 385420825 - 2¹⁷ = 385289753 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, 178191 + ... + 180340.

Almost surely, 2^385420825 is an apocalyptic number.

It is an amenable number.

385420825 is a deficient number, since it is larger than the sum of its proper divisors (103616823).

385420825 is a wasteful number, since it uses less digits than its factorization.

385420825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358584 (or 358579 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 385420825 is about 19632.1375555491. The cubic root of 385420825 is about 727.7435956770.

The spelling of 385420825 in words is "three hundred eighty-five million, four hundred twenty thousand, eight hundred twenty-five".