30342625 has 16 divisors (see below), whose sum is σ = 38443392. Its totient is φ = 23905200.

The previous prime is 30342619. The next prime is 30342673. The reversal of 30342625 is 52624303.

It is a happy number.

It is not a de Polignac number, because 30342625 - 2⁵ = 30342593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30342625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6564 + ... + 10186.

It is an arithmetic number, because the mean of its divisors is an integer number (2402712).

Almost surely, 2^30342625 is an apocalyptic number.

It is an amenable number.

30342625 is a deficient number, since it is larger than the sum of its proper divisors (8100767).

30342625 is an equidigital number, since it uses as much as digits as its factorization.

30342625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705 (or 3695 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 30342625 is about 5508.4140185720. The cubic root of 30342625 is about 311.9016818470.

Adding to 30342625 its reverse (52624303), we get a palindrome (82966928).

The spelling of 30342625 in words is "thirty million, three hundred forty-two thousand, six hundred twenty-five".