199425573 has 12 divisors (see below), whose sum is σ = 297351808. Its totient is φ = 128661480.

The previous prime is 199425553. The next prime is 199425587. The reversal of 199425573 is 375524991.

It is a happy number.

199425573 is a `hidden beast` number, since 1 + 9 + 94 + 2 + 557 + 3 = 666.

It is not a de Polignac number, because 199425573 - 2¹⁰ = 199424549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199425533) 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 11 ways as a sum of consecutive naturals, for example, 357115 + ... + 357672.

Almost surely, 2^199425573 is an apocalyptic number.

It is an amenable number.

199425573 is a deficient number, since it is larger than the sum of its proper divisors (97926235).

199425573 is a wasteful number, since it uses less digits than its factorization.

199425573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714824 (or 714821 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 199425573 is about 14121.8119588104. The cubic root of 199425573 is about 584.2431325246.

The spelling of 199425573 in words is "one hundred ninety-nine million, four hundred twenty-five thousand, five hundred seventy-three".