199488253 has 2 divisors, whose sum is σ = 199488254. Its totient is φ = 199488252.

The previous prime is 199488221. The next prime is 199488271. The reversal of 199488253 is 352884991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115820644 + 83667609 = 10762^2 + 9147^2 .

It is a cyclic number.

It is not a de Polignac number, because 199488253 - 2⁵ = 199488221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 199488197 and 199488206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199488953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99744126 + 99744127.

It is an arithmetic number, because the mean of its divisors is an integer number (99744127).

Almost surely, 2^199488253 is an apocalyptic number.

It is an amenable number.

199488253 is a deficient number, since it is larger than the sum of its proper divisors (1).

199488253 is an equidigital number, since it uses as much as digits as its factorization.

199488253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 49.

The square root of 199488253 is about 14124.0310464116. The cubic root of 199488253 is about 584.3043358481.

The spelling of 199488253 in words is "one hundred ninety-nine million, four hundred eighty-eight thousand, two hundred fifty-three".