16251242 has 12 divisors (see below), whose sum is σ = 28356930. Its totient is φ = 6964776.

The previous prime is 16251241. The next prime is 16251247. The reversal of 16251242 is 24215261.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10686361 + 5564881 = 3269^2 + 2359^2 .

It is not an unprimeable number, because it can be changed into a prime (16251241) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 82817 + ... + 83012.

Almost surely, 2^16251242 is an apocalyptic number.

16251242 is a deficient number, since it is larger than the sum of its proper divisors (12105688).

16251242 is a wasteful number, since it uses less digits than its factorization.

16251242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165845 (or 165838 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 16251242 is about 4031.2829223462. The cubic root of 16251242 is about 253.2963038367.

The spelling of 16251242 in words is "sixteen million, two hundred fifty-one thousand, two hundred forty-two".