30025039 has 4 divisors (see below), whose sum is σ = 32754600. Its totient is φ = 27295480.

The previous prime is 30025033. The next prime is 30025049. The reversal of 30025039 is 93052003.

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 30025039 - 2⁵ = 30025007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30025033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364764 + ... + 1364785.

It is an arithmetic number, because the mean of its divisors is an integer number (8188650).

Almost surely, 2^30025039 is an apocalyptic number.

30025039 is a deficient number, since it is larger than the sum of its proper divisors (2729561).

30025039 is a wasteful number, since it uses less digits than its factorization.

30025039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729560.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 30025039 is about 5479.5108358320. The cubic root of 30025039 is about 310.8096732169.

The spelling of 30025039 in words is "thirty million, twenty-five thousand, thirty-nine".