198102053 has 2 divisors, whose sum is σ = 198102054. Its totient is φ = 198102052.

The previous prime is 198102031. The next prime is 198102077. The reversal of 198102053 is 350201891.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197767969 + 334084 = 14063^2 + 578^2 .

It is a cyclic number.

It is not a de Polignac number, because 198102053 - 2⁸ = 198101797 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198102083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99051026 + 99051027.

It is an arithmetic number, because the mean of its divisors is an integer number (99051027).

Almost surely, 2^198102053 is an apocalyptic number.

It is an amenable number.

198102053 is a deficient number, since it is larger than the sum of its proper divisors (1).

198102053 is an equidigital number, since it uses as much as digits as its factorization.

198102053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 198102053 is about 14074.8731077761. The cubic root of 198102053 is about 582.9477880840.

The spelling of 198102053 in words is "one hundred ninety-eight million, one hundred two thousand, fifty-three".