201434879 has 2 divisors, whose sum is σ = 201434880. Its totient is φ = 201434878.

The previous prime is 201434873. The next prime is 201434939. The reversal of 201434879 is 978434102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201434879 - 2¹² = 201430783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201434873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100717439 + 100717440.

It is an arithmetic number, because the mean of its divisors is an integer number (100717440).

Almost surely, 2^201434879 is an apocalyptic number.

201434879 is a deficient number, since it is larger than the sum of its proper divisors (1).

201434879 is an equidigital number, since it uses as much as digits as its factorization.

201434879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 201434879 is about 14192.7755918284. The cubic root of 201434879 is about 586.1987535730.

The spelling of 201434879 in words is "two hundred one million, four hundred thirty-four thousand, eight hundred seventy-nine".