30252393 has 8 divisors (see below), whose sum is σ = 44818400. Its totient is φ = 20168244.

The previous prime is 30252379. The next prime is 30252413. The reversal of 30252393 is 39325203.

It is not a de Polignac number, because 30252393 - 2⁶ = 30252329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1120459 = 30252393 / (3 + 0 + 2 + 5 + 2 + 3 + 9 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30252323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560203 + ... + 560256.

It is an arithmetic number, because the mean of its divisors is an integer number (5602300).

Almost surely, 2^30252393 is an apocalyptic number.

It is an amenable number.

30252393 is a deficient number, since it is larger than the sum of its proper divisors (14566007).

30252393 is a wasteful number, since it uses less digits than its factorization.

30252393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120468 (or 1120462 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 30252393 is about 5500.2175411523. The cubic root of 30252393 is about 311.5922002054.

Adding to 30252393 its reverse (39325203), we get a palindrome (69577596).

The spelling of 30252393 in words is "thirty million, two hundred fifty-two thousand, three hundred ninety-three".