2623289 has 2 divisors, whose sum is σ = 2623290. Its totient is φ = 2623288.

The previous prime is 2623279. The next prime is 2623331. The reversal of 2623289 is 9823262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1776889 + 846400 = 1333^2 + 920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2623289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2623249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311644 + 1311645.

It is an arithmetic number, because the mean of its divisors is an integer number (1311645).

2^2623289 is an apocalyptic number.

It is an amenable number.

2623289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2623289 is an equidigital number, since it uses as much as digits as its factorization.

2623289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 2623289 is about 1619.6570624672. The cubic root of 2623289 is about 137.9162307539.

The spelling of 2623289 in words is "two million, six hundred twenty-three thousand, two hundred eighty-nine".