298553 has 4 divisors (see below), whose sum is σ = 306660. Its totient is φ = 290448.

The previous prime is 298513. The next prime is 298559. The reversal of 298553 is 355892.

It is a happy number.

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 107584 + 190969 = 328^2 + 437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-298553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (298559) 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, 3998 + ... + 4071.

It is an arithmetic number, because the mean of its divisors is an integer number (76665).

2²⁹⁸⁵⁵³ is an apocalyptic number.

It is an amenable number.

298553 is a deficient number, since it is larger than the sum of its proper divisors (8107).

298553 is an equidigital number, since it uses as much as digits as its factorization.

298553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8106.

The product of its digits is 10800, while the sum is 32.

The square root of 298553 is about 546.4000366032. The cubic root of 298553 is about 66.8354915559.

The spelling of 298553 in words is "two hundred ninety-eight thousand, five hundred fifty-three".