2659247 has 2 divisors, whose sum is σ = 2659248. Its totient is φ = 2659246.

The previous prime is 2659243. The next prime is 2659277. The reversal of 2659247 is 7429562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2659247 - 2² = 2659243 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2 + 6⁷ + 5⁵ + 9² + 2²¹ + 4⁹ + 7⁵ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2659243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1329623 + 1329624.

It is an arithmetic number, because the mean of its divisors is an integer number (1329624).

2^2659247 is an apocalyptic number.

2659247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2659247 is an equidigital number, since it uses as much as digits as its factorization.

2659247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 2659247 is about 1630.7197797292. The cubic root of 2659247 is about 138.5435226641.

The spelling of 2659247 in words is "two million, six hundred fifty-nine thousand, two hundred forty-seven".