289242601 has 2 divisors, whose sum is σ = 289242602. Its totient is φ = 289242600.

The previous prime is 289242581. The next prime is 289242623. The reversal of 289242601 is 106242982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275560000 + 13682601 = 16600^2 + 3699^2 .

It is a cyclic number.

It is not a de Polignac number, because 289242601 - 2²¹ = 287145449 is a prime.

It is a super-2 number, since 2×289242601² = 167322564466490402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (289242631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144621300 + 144621301.

It is an arithmetic number, because the mean of its divisors is an integer number (144621301).

Almost surely, 2^289242601 is an apocalyptic number.

It is an amenable number.

289242601 is a deficient number, since it is larger than the sum of its proper divisors (1).

289242601 is an equidigital number, since it uses as much as digits as its factorization.

289242601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 289242601 is about 17007.1338267211. The cubic root of 289242601 is about 661.3338505475. Note that the first 3 decimals are identical.

The spelling of 289242601 in words is "two hundred eighty-nine million, two hundred forty-two thousand, six hundred one".