42250030 has 8 divisors (see below), whose sum is σ = 76050072. Its totient is φ = 16900008.

The previous prime is 42250009. The next prime is 42250031. The reversal of 42250030 is 3005224.

42250030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 42249986 and 42250013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42250031) 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, 2112492 + ... + 2112511.

It is an arithmetic number, because the mean of its divisors is an integer number (9506259).

Almost surely, 2^42250030 is an apocalyptic number.

42250030 is a deficient number, since it is larger than the sum of its proper divisors (33800042).

42250030 is a wasteful number, since it uses less digits than its factorization.

42250030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4225010.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 42250030 is about 6500.0023076919. The cubic root of 42250030 is about 348.2910708298.

Adding to 42250030 its reverse (3005224), we get a palindrome (45255254).

The spelling of 42250030 in words is "forty-two million, two hundred fifty thousand, thirty".