16425243 has 12 divisors (see below), whose sum is σ = 24757200. Its totient is φ = 10473936.

The previous prime is 16425229. The next prime is 16425259. The reversal of 16425243 is 34252461.

It is not a de Polignac number, because 16425243 - 2¹² = 16421147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16425203) 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 11 ways as a sum of consecutive naturals, for example, 39468 + ... + 39881.

It is an arithmetic number, because the mean of its divisors is an integer number (2063100).

Almost surely, 2^16425243 is an apocalyptic number.

16425243 is a deficient number, since it is larger than the sum of its proper divisors (8331957).

16425243 is a wasteful number, since it uses less digits than its factorization.

16425243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79378 (or 79375 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 16425243 is about 4052.8068051660. The cubic root of 16425243 is about 254.1971055665.

The spelling of 16425243 in words is "sixteen million, four hundred twenty-five thousand, two hundred forty-three".