204432061 has 2 divisors, whose sum is σ = 204432062. Its totient is φ = 204432060.

The previous prime is 204432037. The next prime is 204432083. The reversal of 204432061 is 160234402.

It is a happy number.

It is an a-pointer prime, because the next prime (204432083) can be obtained adding 204432061 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189915961 + 14516100 = 13781^2 + 3810^2 .

It is a cyclic number.

It is not a de Polignac number, because 204432061 - 2¹¹ = 204430013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204432161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102216030 + 102216031.

It is an arithmetic number, because the mean of its divisors is an integer number (102216031).

Almost surely, 2^204432061 is an apocalyptic number.

It is an amenable number.

204432061 is a deficient number, since it is larger than the sum of its proper divisors (1).

204432061 is an equidigital number, since it uses as much as digits as its factorization.

204432061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 204432061 is about 14297.9740173215. The cubic root of 204432061 is about 589.0918336810.

Adding to 204432061 its reverse (160234402), we get a palindrome (364666463).

The spelling of 204432061 in words is "two hundred four million, four hundred thirty-two thousand, sixty-one".