204741 has 8 divisors (see below), whose sum is σ = 303360. Its totient is φ = 136476.

The previous prime is 204733. The next prime is 204749. The reversal of 204741 is 147402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (204733) and next prime (204749).

It is not a de Polignac number, because 204741 - 2³ = 204733 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3765 + ... + 3818.

It is an arithmetic number, because the mean of its divisors is an integer number (37920).

2²⁰⁴⁷⁴¹ is an apocalyptic number.

It is an amenable number.

204741 is a deficient number, since it is larger than the sum of its proper divisors (98619).

204741 is an equidigital number, since it uses as much as digits as its factorization.

204741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7592 (or 7586 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 204741 is about 452.4831488575. The cubic root of 204741 is about 58.9388430737.

It can be divided in two parts, 20 and 4741, that added together give a square (4761 = 69²).

The spelling of 204741 in words is "two hundred four thousand, seven hundred forty-one", and thus it is an iban number.