204779041 has 2 divisors, whose sum is σ = 204779042. Its totient is φ = 204779040.

The previous prime is 204779023. The next prime is 204779119. The reversal of 204779041 is 140977402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121440400 + 83338641 = 11020^2 + 9129^2 .

It is a cyclic number.

It is not a de Polignac number, because 204779041 - 2⁵ = 204779009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204778988 and 204779006.

It is not a weakly prime, because it can be changed into another prime (204779021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102389520 + 102389521.

It is an arithmetic number, because the mean of its divisors is an integer number (102389521).

Almost surely, 2^204779041 is an apocalyptic number.

It is an amenable number.

204779041 is a deficient number, since it is larger than the sum of its proper divisors (1).

204779041 is an equidigital number, since it uses as much as digits as its factorization.

204779041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 204779041 is about 14310.1027599385. The cubic root of 204779041 is about 589.4249313839.

The spelling of 204779041 in words is "two hundred four million, seven hundred seventy-nine thousand, forty-one".