30425243 has 4 divisors (see below), whose sum is σ = 30452568. Its totient is φ = 30397920.

The previous prime is 30425221. The next prime is 30425267. The reversal of 30425243 is 34252403.

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

It is a cyclic number.

It is not a de Polignac number, because 30425243 - 2¹⁸ = 30163099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30422243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11918 + ... + 14243.

It is an arithmetic number, because the mean of its divisors is an integer number (7613142).

Almost surely, 2^30425243 is an apocalyptic number.

30425243 is a deficient number, since it is larger than the sum of its proper divisors (27325).

30425243 is a wasteful number, since it uses less digits than its factorization.

30425243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27324.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 30425243 is about 5515.9081754503. The cubic root of 30425243 is about 312.1845110407.

Adding to 30425243 its reverse (34252403), we get a palindrome (64677646).

The spelling of 30425243 in words is "thirty million, four hundred twenty-five thousand, two hundred forty-three".