201425089 has 2 divisors, whose sum is σ = 201425090. Its totient is φ = 201425088.

The previous prime is 201425051. The next prime is 201425117. The reversal of 201425089 is 980524102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148644864 + 52780225 = 12192^2 + 7265^2 .

It is a cyclic number.

It is not a de Polignac number, because 201425089 - 2²⁵ = 167870657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201425089.

It is not a weakly prime, because it can be changed into another prime (201425009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100712544 + 100712545.

It is an arithmetic number, because the mean of its divisors is an integer number (100712545).

Almost surely, 2^201425089 is an apocalyptic number.

It is an amenable number.

201425089 is a deficient number, since it is larger than the sum of its proper divisors (1).

201425089 is an equidigital number, since it uses as much as digits as its factorization.

201425089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 201425089 is about 14192.4306938593. The cubic root of 201425089 is about 586.1892567424.

The spelling of 201425089 in words is "two hundred one million, four hundred twenty-five thousand, eighty-nine".