198253313 has 2 divisors, whose sum is σ = 198253314. Its totient is φ = 198253312.

The previous prime is 198253213. The next prime is 198253351. The reversal of 198253313 is 313352891.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163123984 + 35129329 = 12772^2 + 5927^2 .

It is a cyclic number.

It is not a de Polignac number, because 198253313 - 2⁸ = 198253057 is a prime.

It is a super-2 number, since 2×198253313² = 78608752230951938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (198253213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99126656 + 99126657.

It is an arithmetic number, because the mean of its divisors is an integer number (99126657).

Almost surely, 2^198253313 is an apocalyptic number.

It is an amenable number.

198253313 is a deficient number, since it is larger than the sum of its proper divisors (1).

198253313 is an equidigital number, since it uses as much as digits as its factorization.

198253313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 35.

The square root of 198253313 is about 14080.2454879168. The cubic root of 198253313 is about 583.0961194588.

The spelling of 198253313 in words is "one hundred ninety-eight million, two hundred fifty-three thousand, three hundred thirteen".