825075385 has 8 divisors (see below), whose sum is σ = 1022029056. Its totient is φ = 638767920.

The previous prime is 825075373. The next prime is 825075397. The reversal of 825075385 is 583570528.

It is an interprime number because it is at equal distance from previous prime (825075373) and next prime (825075397).

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

It is not a de Polignac number, because 825075385 - 2¹³ = 825067193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2661379 + ... + 2661688.

It is an arithmetic number, because the mean of its divisors is an integer number (127753632).

Almost surely, 2^825075385 is an apocalyptic number.

It is an amenable number.

825075385 is a deficient number, since it is larger than the sum of its proper divisors (196953671).

825075385 is a wasteful number, since it uses less digits than its factorization.

825075385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5323103.

The product of its (nonzero) digits is 336000, while the sum is 43.

The square root of 825075385 is about 28724.1254871232. The cubic root of 825075385 is about 937.9172935777.

The spelling of 825075385 in words is "eight hundred twenty-five million, seventy-five thousand, three hundred eighty-five".