199334525 has 12 divisors (see below), whose sum is σ = 266188692. Its totient is φ = 147200640.

The previous prime is 199334521. The next prime is 199334591. The reversal of 199334525 is 525433991.

It can be written as a sum of positive squares in 6 ways, for example, as 82391929 + 116942596 = 9077^2 + 10814^2 .

It is not a de Polignac number, because 199334525 - 2² = 199334521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199334521) 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, 306344 + ... + 306993.

It is an arithmetic number, because the mean of its divisors is an integer number (22182391).

Almost surely, 2^199334525 is an apocalyptic number.

It is an amenable number.

199334525 is a deficient number, since it is larger than the sum of its proper divisors (66854167).

199334525 is a wasteful number, since it uses less digits than its factorization.

199334525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613360 (or 613355 counting only the distinct ones).

The product of its digits is 145800, while the sum is 41.

The square root of 199334525 is about 14118.5879251432. The cubic root of 199334525 is about 584.1542066741.

The spelling of 199334525 in words is "one hundred ninety-nine million, three hundred thirty-four thousand, five hundred twenty-five".