201340429 has 2 divisors, whose sum is σ = 201340430. Its totient is φ = 201340428.

The previous prime is 201340387. The next prime is 201340441. The reversal of 201340429 is 924043102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198528100 + 2812329 = 14090^2 + 1677^2 .

It is a cyclic number.

It is not a de Polignac number, because 201340429 - 2⁹ = 201339917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201340499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100670214 + 100670215.

It is an arithmetic number, because the mean of its divisors is an integer number (100670215).

Almost surely, 2^201340429 is an apocalyptic number.

It is an amenable number.

201340429 is a deficient number, since it is larger than the sum of its proper divisors (1).

201340429 is an equidigital number, since it uses as much as digits as its factorization.

201340429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 201340429 is about 14189.4478046188. The cubic root of 201340429 is about 586.1071191148.

The spelling of 201340429 in words is "two hundred one million, three hundred forty thousand, four hundred twenty-nine".