199048925 has 6 divisors (see below), whose sum is σ = 246820698. Its totient is φ = 159239120.

The previous prime is 199048919. The next prime is 199048961. The reversal of 199048925 is 529840991.

It can be written as a sum of positive squares in 3 ways, for example, as 2292196 + 196756729 = 1514^2 + 14027^2 .

It is not a de Polignac number, because 199048925 - 2¹⁸ = 198786781 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 199048925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3980954 + ... + 3981003.

It is an arithmetic number, because the mean of its divisors is an integer number (41136783).

Almost surely, 2^199048925 is an apocalyptic number.

It is an amenable number.

199048925 is a deficient number, since it is larger than the sum of its proper divisors (47771773).

199048925 is an equidigital number, since it uses as much as digits as its factorization.

199048925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7961967 (or 7961962 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 47.

The square root of 199048925 is about 14108.4699737427. The cubic root of 199048925 is about 583.8750876350.

The spelling of 199048925 in words is "one hundred ninety-nine million, forty-eight thousand, nine hundred twenty-five".