30253345 has 4 divisors (see below), whose sum is σ = 36304020. Its totient is φ = 24202672.

The previous prime is 30253343. The next prime is 30253411. The reversal of 30253345 is 54335203.

It is a happy number.

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 6370576 + 23882769 = 2524^2 + 4887^2 .

It is a cyclic number.

It is not a de Polignac number, because 30253345 - 2¹ = 30253343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30253343) 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, 3025330 + ... + 3025339.

It is an arithmetic number, because the mean of its divisors is an integer number (9076005).

Almost surely, 2^30253345 is an apocalyptic number.

It is an amenable number.

30253345 is a deficient number, since it is larger than the sum of its proper divisors (6050675).

30253345 is an equidigital number, since it uses as much as digits as its factorization.

30253345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6050674.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 30253345 is about 5500.3040825031. The cubic root of 30253345 is about 311.5954686263.

Adding to 30253345 its reverse (54335203), we get a palindrome (84588548).

The spelling of 30253345 in words is "thirty million, two hundred fifty-three thousand, three hundred forty-five".