30825393 has 8 divisors (see below), whose sum is σ = 41139168. Its totient is φ = 20530944.

The previous prime is 30825337. The next prime is 30825401. The reversal of 30825393 is 39352803.

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

It is not a de Polignac number, because 30825393 - 2¹³ = 30817201 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (30825323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571 + ... + 7872.

It is an arithmetic number, because the mean of its divisors is an integer number (5142396).

Almost surely, 2^30825393 is an apocalyptic number.

It is an amenable number.

30825393 is a deficient number, since it is larger than the sum of its proper divisors (10313775).

30825393 is a wasteful number, since it uses less digits than its factorization.

30825393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9663.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 30825393 is about 5552.0620493651. The cubic root of 30825393 is about 313.5471619002.

The spelling of 30825393 in words is "thirty million, eight hundred twenty-five thousand, three hundred ninety-three".