204262397 has 2 divisors, whose sum is σ = 204262398. Its totient is φ = 204262396.

The previous prime is 204262363. The next prime is 204262411. The reversal of 204262397 is 793262402.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194156356 + 10106041 = 13934^2 + 3179^2 .

It is a cyclic number.

It is not a de Polignac number, because 204262397 - 2²⁰ = 203213821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204262997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102131198 + 102131199.

It is an arithmetic number, because the mean of its divisors is an integer number (102131199).

Almost surely, 2^204262397 is an apocalyptic number.

It is an amenable number.

204262397 is a deficient number, since it is larger than the sum of its proper divisors (1).

204262397 is an equidigital number, since it uses as much as digits as its factorization.

204262397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 204262397 is about 14292.0396375045. The cubic root of 204262397 is about 588.9288205363.

The spelling of 204262397 in words is "two hundred four million, two hundred sixty-two thousand, three hundred ninety-seven".