201434089 has 2 divisors, whose sum is σ = 201434090. Its totient is φ = 201434088.

The previous prime is 201434039. The next prime is 201434117. The reversal of 201434089 is 980434102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174028864 + 27405225 = 13192^2 + 5235^2 .

It is a cyclic number.

It is not a de Polignac number, because 201434089 - 2⁷ = 201433961 is a prime.

It is a super-2 number, since 2×201434089² = 81151384422519842, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201434089.

It is not a weakly prime, because it can be changed into another prime (201434039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100717044 + 100717045.

It is an arithmetic number, because the mean of its divisors is an integer number (100717045).

Almost surely, 2^201434089 is an apocalyptic number.

It is an amenable number.

201434089 is a deficient number, since it is larger than the sum of its proper divisors (1).

201434089 is an equidigital number, since it uses as much as digits as its factorization.

201434089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 201434089 is about 14192.7477607403. The cubic root of 201434089 is about 586.1979872416.

The spelling of 201434089 in words is "two hundred one million, four hundred thirty-four thousand, eighty-nine".