30442025 has 24 divisors (see below), whose sum is σ = 39432000. Its totient is φ = 23284800.

The previous prime is 30442001. The next prime is 30442037. The reversal of 30442025 is 52024403.

It is not a de Polignac number, because 30442025 - 2¹⁰ = 30441001 is a prime.

It is a super-2 number, since 2×30442025² = 1853433772201250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30441988 and 30442006.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144170 + ... + 144380.

It is an arithmetic number, because the mean of its divisors is an integer number (1643000).

Almost surely, 2^30442025 is an apocalyptic number.

It is an amenable number.

30442025 is a deficient number, since it is larger than the sum of its proper divisors (8989975).

30442025 is a wasteful number, since it uses less digits than its factorization.

30442025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 30442025 is about 5517.4292020832. The cubic root of 30442025 is about 312.2418988869.

Adding to 30442025 its reverse (52024403), we get a palindrome (82466428).

The spelling of 30442025 in words is "thirty million, four hundred forty-two thousand, twenty-five".