30245253 has 16 divisors (see below), whose sum is σ = 42287616. Its totient is φ = 19191920.

The previous prime is 30245251. The next prime is 30245273. The reversal of 30245253 is 35254203.

It is a cyclic number.

It is not a de Polignac number, because 30245253 - 2¹ = 30245251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30245251) 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 15 ways as a sum of consecutive naturals, for example, 14698 + ... + 16628.

It is an arithmetic number, because the mean of its divisors is an integer number (2642976).

Almost surely, 2^30245253 is an apocalyptic number.

It is an amenable number.

30245253 is a deficient number, since it is larger than the sum of its proper divisors (12042363).

30245253 is a wasteful number, since it uses less digits than its factorization.

30245253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 30245253 is about 5499.5684376140. The cubic root of 30245253 is about 311.5676848626.

Adding to 30245253 its reverse (35254203), we get a palindrome (65499456).

The spelling of 30245253 in words is "thirty million, two hundred forty-five thousand, two hundred fifty-three".