205442299 has 2 divisors, whose sum is σ = 205442300. Its totient is φ = 205442298.

The previous prime is 205442287. The next prime is 205442309. The reversal of 205442299 is 992244502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 205442299 - 2¹⁵ = 205409531 is a prime.

It is not a weakly prime, because it can be changed into another prime (205442099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102721149 + 102721150.

It is an arithmetic number, because the mean of its divisors is an integer number (102721150).

Almost surely, 2^205442299 is an apocalyptic number.

205442299 is a deficient number, since it is larger than the sum of its proper divisors (1).

205442299 is an equidigital number, since it uses as much as digits as its factorization.

205442299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 205442299 is about 14333.2584920527. The cubic root of 205442299 is about 590.0606075822.

The spelling of 205442299 in words is "two hundred five million, four hundred forty-two thousand, two hundred ninety-nine".