30285249 has 8 divisors (see below), whose sum is σ = 41239680. Its totient is φ = 19760496.

The previous prime is 30285217. The next prime is 30285253. The reversal of 30285249 is 94258203.

It is a happy number.

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

It is not a de Polignac number, because 30285249 - 2⁵ = 30285217 is a prime.

It is a super-3 number, since 3×30285249³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (30285649) 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 7 ways as a sum of consecutive naturals, for example, 107254 + ... + 107535.

It is an arithmetic number, because the mean of its divisors is an integer number (5154960).

Almost surely, 2^30285249 is an apocalyptic number.

It is an amenable number.

30285249 is a deficient number, since it is larger than the sum of its proper divisors (10954431).

30285249 is a wasteful number, since it uses less digits than its factorization.

30285249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214839.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 30285249 is about 5503.2035215863. The cubic root of 30285249 is about 311.7049622968.

The spelling of 30285249 in words is "thirty million, two hundred eighty-five thousand, two hundred forty-nine".