30925042 has 8 divisors (see below), whose sum is σ = 47884032. Its totient is φ = 14963700.

The previous prime is 30925019. The next prime is 30925043. The reversal of 30925042 is 24052903.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 30924998 and 30925016.

It is not an unprimeable number, because it can be changed into a prime (30925043) 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, 249334 + ... + 249457.

It is an arithmetic number, because the mean of its divisors is an integer number (5985504).

Almost surely, 2^30925042 is an apocalyptic number.

30925042 is a deficient number, since it is larger than the sum of its proper divisors (16958990).

30925042 is a wasteful number, since it uses less digits than its factorization.

30925042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498824.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 30925042 is about 5561.0288616406. The cubic root of 30925042 is about 313.8846656086.

Adding to 30925042 its reverse (24052903), we get a palindrome (54977945).

The spelling of 30925042 in words is "thirty million, nine hundred twenty-five thousand, forty-two".