30452245 has 4 divisors (see below), whose sum is σ = 36542700. Its totient is φ = 24361792.

The previous prime is 30452203. The next prime is 30452293. The reversal of 30452245 is 54225403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54225403 = 431 ⋅125813.

It can be written as a sum of positive squares in 2 ways, for example, as 16329681 + 14122564 = 4041^2 + 3758^2 .

It is a cyclic number.

It is not a de Polignac number, because 30452245 - 2¹¹ = 30450197 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 3045220 + ... + 3045229.

It is an arithmetic number, because the mean of its divisors is an integer number (9135675).

Almost surely, 2^30452245 is an apocalyptic number.

It is an amenable number.

30452245 is a deficient number, since it is larger than the sum of its proper divisors (6090455).

30452245 is an equidigital number, since it uses as much as digits as its factorization.

30452245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6090454.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 30452245 is about 5518.3552803349. The cubic root of 30452245 is about 312.2768369390.

Adding to 30452245 its reverse (54225403), we get a palindrome (84677648).

The spelling of 30452245 in words is "thirty million, four hundred fifty-two thousand, two hundred forty-five".