289607401 has 2 divisors, whose sum is σ = 289607402. Its totient is φ = 289607400.

The previous prime is 289607327. The next prime is 289607411. The reversal of 289607401 is 104706982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234090000 + 55517401 = 15300^2 + 7451^2 .

It is a cyclic number.

It is not a de Polignac number, because 289607401 - 2⁷ = 289607273 is a prime.

It is not a weakly prime, because it can be changed into another prime (289607411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144803700 + 144803701.

It is an arithmetic number, because the mean of its divisors is an integer number (144803701).

Almost surely, 2^289607401 is an apocalyptic number.

It is an amenable number.

289607401 is a deficient number, since it is larger than the sum of its proper divisors (1).

289607401 is an equidigital number, since it uses as much as digits as its factorization.

289607401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 289607401 is about 17017.8553584169. The cubic root of 289607401 is about 661.6117640054.

The spelling of 289607401 in words is "two hundred eighty-nine million, six hundred seven thousand, four hundred one".