30021097 has 8 divisors (see below), whose sum is σ = 31124736. Its totient is φ = 28932912.

The previous prime is 30021091. The next prime is 30021137. The reversal of 30021097 is 79012003.

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

It is a cyclic number.

It is not a de Polignac number, because 30021097 - 2¹¹ = 30019049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30021091) 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, 168 + ... + 7750.

It is an arithmetic number, because the mean of its divisors is an integer number (3890592).

Almost surely, 2^30021097 is an apocalyptic number.

30021097 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

30021097 is a deficient number, since it is larger than the sum of its proper divisors (1103639).

30021097 is a wasteful number, since it uses less digits than its factorization.

30021097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7727.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 30021097 is about 5479.1511203835. The cubic root of 30021097 is about 310.7960705107.

The spelling of 30021097 in words is "thirty million, twenty-one thousand, ninety-seven".