199953125 has 28 divisors (see below), whose sum is σ = 254996736. Its totient is φ = 156750000.

The previous prime is 199953113. The next prime is 199953151. The reversal of 199953125 is 521359991.

It is not a de Polignac number, because 199953125 - 2¹⁰ = 199952101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1046780 + ... + 1046970.

Almost surely, 2^199953125 is an apocalyptic number.

It is an amenable number.

199953125 is a deficient number, since it is larger than the sum of its proper divisors (55043611).

199953125 is an frugal number, since it uses more digits than its factorization.

199953125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 263 counting only the distinct ones).

The product of its digits is 109350, while the sum is 44.

The square root of 199953125 is about 14140.4782450948. The cubic root of 199953125 is about 584.7578562956.

The spelling of 199953125 in words is "one hundred ninety-nine million, nine hundred fifty-three thousand, one hundred twenty-five".