199601293 has 4 divisors (see below), whose sum is σ = 199631548. Its totient is φ = 199571040.

The previous prime is 199601263. The next prime is 199601317. The reversal of 199601293 is 392106991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 392106991 = 431 ⋅909761.

It can be written as a sum of positive squares in 2 ways, for example, as 57562569 + 142038724 = 7587^2 + 11918^2 .

It is a cyclic number.

It is not a de Polignac number, because 199601293 - 2¹³ = 199593101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199601203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546 + ... + 19987.

It is an arithmetic number, because the mean of its divisors is an integer number (49907887).

Almost surely, 2^199601293 is an apocalyptic number.

It is an amenable number.

199601293 is a deficient number, since it is larger than the sum of its proper divisors (30255).

199601293 is an equidigital number, since it uses as much as digits as its factorization.

199601293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30254.

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 199601293 is about 14128.0321701219. The cubic root of 199601293 is about 584.4146803410.

The spelling of 199601293 in words is "one hundred ninety-nine million, six hundred one thousand, two hundred ninety-three".