198285053 has 4 divisors (see below), whose sum is σ = 198343548. Its totient is φ = 198226560.

The previous prime is 198285019. The next prime is 198285067. The reversal of 198285053 is 350582891.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3319684 + 194965369 = 1822^2 + 13963^2 .

It is a cyclic number.

It is not a de Polignac number, because 198285053 - 2¹⁶ = 198219517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 198285053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198282053) 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, 23828 + ... + 31053.

It is an arithmetic number, because the mean of its divisors is an integer number (49585887).

Almost surely, 2^198285053 is an apocalyptic number.

It is an amenable number.

198285053 is a deficient number, since it is larger than the sum of its proper divisors (58495).

198285053 is an equidigital number, since it uses as much as digits as its factorization.

198285053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58494.

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 198285053 is about 14081.3725538386. The cubic root of 198285053 is about 583.1272353461.

The spelling of 198285053 in words is "one hundred ninety-eight million, two hundred eighty-five thousand, fifty-three".