289020601 has 2 divisors, whose sum is σ = 289020602. Its totient is φ = 289020600.

The previous prime is 289020581. The next prime is 289020617. The reversal of 289020601 is 106020982.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 232410025 + 56610576 = 15245^2 + 7524^2 .

It is a cyclic number.

It is not a de Polignac number, because 289020601 - 2¹⁷ = 288889529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 289020601.

It is not a weakly prime, because it can be changed into another prime (289020701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144510300 + 144510301.

It is an arithmetic number, because the mean of its divisors is an integer number (144510301).

Almost surely, 2^289020601 is an apocalyptic number.

It is an amenable number.

289020601 is a deficient number, since it is larger than the sum of its proper divisors (1).

289020601 is an equidigital number, since it uses as much as digits as its factorization.

289020601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 289020601 is about 17000.6059009672. The cubic root of 289020601 is about 661.1646111940.

The spelling of 289020601 in words is "two hundred eighty-nine million, twenty thousand, six hundred one".