201204427 has 2 divisors, whose sum is σ = 201204428. Its totient is φ = 201204426.

The previous prime is 201204403. The next prime is 201204431. The reversal of 201204427 is 724402102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201204427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201204398 and 201204407.

It is not a weakly prime, because it can be changed into another prime (201204467) 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, 100602213 + 100602214.

It is an arithmetic number, because the mean of its divisors is an integer number (100602214).

Almost surely, 2^201204427 is an apocalyptic number.

201204427 is a deficient number, since it is larger than the sum of its proper divisors (1).

201204427 is an equidigital number, since it uses as much as digits as its factorization.

201204427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 201204427 is about 14184.6546309736. The cubic root of 201204427 is about 585.9751209603.

Adding to 201204427 its reverse (724402102), we get a palindrome (925606529).

The spelling of 201204427 in words is "two hundred one million, two hundred four thousand, four hundred twenty-seven".