204312601 has 2 divisors, whose sum is σ = 204312602. Its totient is φ = 204312600.

The previous prime is 204312587. The next prime is 204312617. The reversal of 204312601 is 106213402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141586201 + 62726400 = 11899^2 + 7920^2 .

It is a cyclic number.

It is not a de Polignac number, because 204312601 - 2⁹ = 204312089 is a prime.

It is a super-3 number, since 3×204312601³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (204319601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102156300 + 102156301.

It is an arithmetic number, because the mean of its divisors is an integer number (102156301).

Almost surely, 2^204312601 is an apocalyptic number.

It is an amenable number.

204312601 is a deficient number, since it is larger than the sum of its proper divisors (1).

204312601 is an equidigital number, since it uses as much as digits as its factorization.

204312601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 204312601 is about 14293.7958919246. The cubic root of 204312601 is about 588.9770659320.

It can be divided in two parts, 20431 and 2601, that added together give a palindrome (23032).

The spelling of 204312601 in words is "two hundred four million, three hundred twelve thousand, six hundred one".