42312250 has 16 divisors (see below), whose sum is σ = 79209000. Its totient is φ = 16924800.

The previous prime is 42312239. The next prime is 42312299. The reversal of 42312250 is 5221324.

It can be written as a sum of positive squares in 4 ways, for example, as 22572001 + 19740249 = 4751^2 + 4443^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84375 + ... + 84874.

Almost surely, 2^42312250 is an apocalyptic number.

42312250 is a deficient number, since it is larger than the sum of its proper divisors (36896750).

42312250 is a wasteful number, since it uses less digits than its factorization.

42312250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169266 (or 169256 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 42312250 is about 6504.7866990394. The cubic root of 42312250 is about 348.4619586080.

Adding to 42312250 its reverse (5221324), we get a palindrome (47533574).

The spelling of 42312250 in words is "forty-two million, three hundred twelve thousand, two hundred fifty".