199025 has 12 divisors (see below), whose sum is σ = 260400. Its totient is φ = 150480.

The previous prime is 199021. The next prime is 199033. The reversal of 199025 is 520991.

It is a happy number.

It is not a de Polignac number, because 199025 - 2² = 199021 is a prime.

It is a super-2 number, since 2×199025² = 79221901250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 198985 and 199003.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 199025.

It is not an unprimeable number, because it can be changed into a prime (199021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266 + ... + 684.

It is an arithmetic number, because the mean of its divisors is an integer number (21700).

2¹⁹⁹⁰²⁵ is an apocalyptic number.

It is an amenable number.

199025 is a deficient number, since it is larger than the sum of its proper divisors (61375).

199025 is a wasteful number, since it uses less digits than its factorization.

199025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 199025 is about 446.1221805739. The cubic root of 199025 is about 58.3851693435.

The spelling of 199025 in words is "one hundred ninety-nine thousand, twenty-five".