204162253 has 4 divisors (see below), whose sum is σ = 204401340. Its totient is φ = 203923168.

The previous prime is 204162241. The next prime is 204162269. The reversal of 204162253 is 352261402.

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 93954249 + 110208004 = 9693^2 + 10498^2 .

It is a cyclic number.

It is not a de Polignac number, because 204162253 - 2⁵ = 204162221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204162853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118258 + ... + 119971.

It is an arithmetic number, because the mean of its divisors is an integer number (51100335).

Almost surely, 2^204162253 is an apocalyptic number.

It is an amenable number.

204162253 is a deficient number, since it is larger than the sum of its proper divisors (239087).

204162253 is an equidigital number, since it uses as much as digits as its factorization.

204162253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239086.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 204162253 is about 14288.5357192401. The cubic root of 204162253 is about 588.8325598284.

The spelling of 204162253 in words is "two hundred four million, one hundred sixty-two thousand, two hundred fifty-three".