204302291 has 2 divisors, whose sum is σ = 204302292. Its totient is φ = 204302290.

The previous prime is 204302201. The next prime is 204302317. The reversal of 204302291 is 192203402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204302291 - 2¹⁰ = 204301267 is a prime.

It is a super-2 number, since 2×204302291² = 83478852215697362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (204302201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102151145 + 102151146.

It is an arithmetic number, because the mean of its divisors is an integer number (102151146).

Almost surely, 2^204302291 is an apocalyptic number.

204302291 is a deficient number, since it is larger than the sum of its proper divisors (1).

204302291 is an equidigital number, since it uses as much as digits as its factorization.

204302291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 204302291 is about 14293.4352413967. The cubic root of 204302291 is about 588.9671588001.

Adding to 204302291 its reverse (192203402), we get a palindrome (396505693).

The spelling of 204302291 in words is "two hundred four million, three hundred two thousand, two hundred ninety-one".