199072625 has 8 divisors (see below), whose sum is σ = 248442792. Its totient is φ = 159258000.

The previous prime is 199072597. The next prime is 199072649. The reversal of 199072625 is 526270991.

It can be written as a sum of positive squares in 4 ways, for example, as 5779216 + 193293409 = 2404^2 + 13903^2 .

It is not a de Polignac number, because 199072625 - 2⁸ = 199072369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 796166 + ... + 796415.

It is an arithmetic number, because the mean of its divisors is an integer number (31055349).

Almost surely, 2^199072625 is an apocalyptic number.

It is an amenable number.

199072625 is a deficient number, since it is larger than the sum of its proper divisors (49370167).

199072625 is an equidigital number, since it uses as much as digits as its factorization.

199072625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592596 (or 1592586 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 199072625 is about 14109.3098697279. The cubic root of 199072625 is about 583.8982599789.

The spelling of 199072625 in words is "one hundred ninety-nine million, seventy-two thousand, six hundred twenty-five".