205014001 has 2 divisors, whose sum is σ = 205014002. Its totient is φ = 205014000.

The previous prime is 205013993. The next prime is 205014011. The reversal of 205014001 is 100410502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108993600 + 96020401 = 10440^2 + 9799^2 .

It is a cyclic number.

It is not a de Polignac number, because 205014001 - 2³ = 205013993 is a prime.

It is not a weakly prime, because it can be changed into another prime (205014011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102507000 + 102507001.

It is an arithmetic number, because the mean of its divisors is an integer number (102507001).

Almost surely, 2^205014001 is an apocalyptic number.

It is an amenable number.

205014001 is a deficient number, since it is larger than the sum of its proper divisors (1).

205014001 is an equidigital number, since it uses as much as digits as its factorization.

205014001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 205014001 is about 14318.3099910569. The cubic root of 205014001 is about 589.6502772778.

Adding to 205014001 its reverse (100410502), we get a palindrome (305424503).

The spelling of 205014001 in words is "two hundred five million, fourteen thousand, one".