205230049 has 2 divisors, whose sum is σ = 205230050. Its totient is φ = 205230048.

The previous prime is 205230043. The next prime is 205230101. The reversal of 205230049 is 940032502.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140588449 + 64641600 = 11857^2 + 8040^2 .

It is a cyclic number.

It is not a de Polignac number, because 205230049 - 2³ = 205230041 is a prime.

It is not a weakly prime, because it can be changed into another prime (205230041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102615024 + 102615025.

It is an arithmetic number, because the mean of its divisors is an integer number (102615025).

Almost surely, 2^205230049 is an apocalyptic number.

It is an amenable number.

205230049 is a deficient number, since it is larger than the sum of its proper divisors (1).

205230049 is an equidigital number, since it uses as much as digits as its factorization.

205230049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 205230049 is about 14325.8524702721. The cubic root of 205230049 is about 589.8573331194.

The spelling of 205230049 in words is "two hundred five million, two hundred thirty thousand, forty-nine".