30382081 has 4 divisors (see below), whose sum is σ = 30494464. Its totient is φ = 30269700.

The previous prime is 30382073. The next prime is 30382097. The reversal of 30382081 is 18028303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30382081 - 2³ = 30382073 is a prime.

It is a super-2 number, since 2×30382081² = 1846141691781122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30382061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55785 + ... + 56326.

It is an arithmetic number, because the mean of its divisors is an integer number (7623616).

Almost surely, 2^30382081 is an apocalyptic number.

It is an amenable number.

30382081 is a deficient number, since it is larger than the sum of its proper divisors (112383).

30382081 is a wasteful number, since it uses less digits than its factorization.

30382081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112382.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 30382081 is about 5511.9942851930. The cubic root of 30382081 is about 312.0368169626.

The spelling of 30382081 in words is "thirty million, three hundred eighty-two thousand, eighty-one".