30827085 has 16 divisors (see below), whose sum is σ = 49834176. Its totient is φ = 16270848.

The previous prime is 30827059. The next prime is 30827089. The reversal of 30827085 is 58072803.

It is not a de Polignac number, because 30827085 - 2⁹ = 30826573 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30827089) 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 15 ways as a sum of consecutive naturals, for example, 9139 + ... + 12048.

It is an arithmetic number, because the mean of its divisors is an integer number (3114636).

Almost surely, 2^30827085 is an apocalyptic number.

It is an amenable number.

30827085 is a deficient number, since it is larger than the sum of its proper divisors (19007091).

30827085 is a wasteful number, since it uses less digits than its factorization.

30827085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21292.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 30827085 is about 5552.2144230928. The cubic root of 30827085 is about 313.5528986434.

Adding to 30827085 its reverse (58072803), we get a palindrome (88899888).

The spelling of 30827085 in words is "thirty million, eight hundred twenty-seven thousand, eighty-five".