199993625 has 32 divisors (see below), whose sum is σ = 280530432. Its totient is φ = 141240000.

The previous prime is 199993603. The next prime is 199993637. The reversal of 199993625 is 526399991.

It is not a de Polignac number, because 199993625 - 2¹⁰ = 199992601 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34700 + ... + 40050.

It is an arithmetic number, because the mean of its divisors is an integer number (8766576).

Almost surely, 2^199993625 is an apocalyptic number.

It is an amenable number.

199993625 is a deficient number, since it is larger than the sum of its proper divisors (80536807).

199993625 is a wasteful number, since it uses less digits than its factorization.

199993625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5402 (or 5392 counting only the distinct ones).

The product of its digits is 1180980, while the sum is 53.

The square root of 199993625 is about 14141.9102316483. The cubic root of 199993625 is about 584.7973340389.

The spelling of 199993625 in words is "one hundred ninety-nine million, nine hundred ninety-three thousand, six hundred twenty-five".