30452105 has 4 divisors (see below), whose sum is σ = 36542532. Its totient is φ = 24361680.

The previous prime is 30452101. The next prime is 30452111. The reversal of 30452105 is 50125403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50125403 = 379 ⋅132257.

It can be written as a sum of positive squares in 2 ways, for example, as 6285049 + 24167056 = 2507^2 + 4916^2 .

It is not a de Polignac number, because 30452105 - 2² = 30452101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30452101) 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, 3045206 + ... + 3045215.

It is an arithmetic number, because the mean of its divisors is an integer number (9135633).

Almost surely, 2^30452105 is an apocalyptic number.

It is an amenable number.

30452105 is a deficient number, since it is larger than the sum of its proper divisors (6090427).

30452105 is an equidigital number, since it uses as much as digits as its factorization.

30452105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6090426.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 30452105 is about 5518.3425953813. The cubic root of 30452105 is about 312.2763583884.

Adding to 30452105 its reverse (50125403), we get a palindrome (80577508).

The spelling of 30452105 in words is "thirty million, four hundred fifty-two thousand, one hundred five".