2658289 has 2 divisors, whose sum is σ = 2658290. Its totient is φ = 2658288.

The previous prime is 2658287. The next prime is 2658301. The reversal of 2658289 is 9828562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1459264 + 1199025 = 1208^2 + 1095^2 .

It is a cyclic number.

It is not a de Polignac number, because 2658289 - 2¹ = 2658287 is a prime.

Together with 2658287, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2658287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1329144 + 1329145.

It is an arithmetic number, because the mean of its divisors is an integer number (1329145).

2^2658289 is an apocalyptic number.

It is an amenable number.

2658289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2658289 is an equidigital number, since it uses as much as digits as its factorization.

2658289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 40.

The square root of 2658289 is about 1630.4260179475. The cubic root of 2658289 is about 138.5268837890.

The spelling of 2658289 in words is "two million, six hundred fifty-eight thousand, two hundred eighty-nine".