30252205 has 4 divisors (see below), whose sum is σ = 36302652. Its totient is φ = 24201760.

The previous prime is 30252193. The next prime is 30252239. The reversal of 30252205 is 50225203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12595401 + 17656804 = 3549^2 + 4202^2 .

It is not a de Polignac number, because 30252205 - 2⁷ = 30252077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3025216 + ... + 3025225.

It is an arithmetic number, because the mean of its divisors is an integer number (9075663).

Almost surely, 2^30252205 is an apocalyptic number.

It is an amenable number.

30252205 is a deficient number, since it is larger than the sum of its proper divisors (6050447).

30252205 is an equidigital number, since it uses as much as digits as its factorization.

30252205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6050446.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 30252205 is about 5500.2004508927. The cubic root of 30252205 is about 311.5915547528.

Adding to 30252205 its reverse (50225203), we get a palindrome (80477408).

The spelling of 30252205 in words is "thirty million, two hundred fifty-two thousand, two hundred five".